Meghan Markle receives flowers as she leaves after attending the Commonwealth Service at Westminster Abbey in London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (AP Photo/Kirsty Wigglesworth, pool)
Britain's Prince Harry and his fiancee Meghan Markle arrive to take part in an event for young women as part of International Women's Day in Birmingham, central England, Thursday March 8, 2018. (AP Photo/Rui Vieira)
Meghan Markle leaves after attending the Commonwealth Service at Westminster Abbey in London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (AP Photo/Kirsty Wigglesworth, pool)
From left, Britain's Prince Harry and Meghan Markle meet with religious leaders after the Commonwealth Service at Westminster Abbey, London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (Paul Grover/Pool Photo via AP)
Meghan Markle talks to school children as she arrives with her fiance Britain's Prince Harry to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (AP Photo/Matt Dunham)
Meghan Markle receives flowers as she leaves after attending the Commonwealth Service at Westminster Abbey in London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (AP Photo/Kirsty Wigglesworth, pool)
Meghan Markle receives flowers as she leaves after attending the Commonwealth Service at Westminster Abbey in London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (AP Photo/Kirsty Wigglesworth, pool)
Britain's Prince Harry and Meghan Markle leave after attending the Commonwealth Service at Westminster Abbey in London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (AP Photo/Kirsty Wigglesworth, pool)
From left, Britain's Prince William, Kate the Duchess of Cambridge, Meghan Markle and Britain's Prince Harry arrive for the Commonwealth Service at Westminster Abbey, London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (Paul Grover/Pool Photo via AP)
Britain's Prince Harry, center left, and Meghan Markle meet well-wishers in the Dean's yard, after the Commonwealth Service at Westminster Abbey in London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (Jack Hill/Pool Photo via AP)
Meghan Markle with Britain's Prince Harry, takes part in an event as part of International Women's Day in Birmingham, central England, Thursday, March 8, 2018. (Ian Vogler/Pool via AP)
Meghan Markle, left, and Kate, Duchess of Cambridge laugh during the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
Britain's Kate, Duchess of Cambridge, right, with Prince Harry and his fiancee Meghan Markle attend the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
Britain's Prince William and Kate, the Duchess of Cambridge meet well-wishers in the Dean's yard, after the Commonwealth Service at Westminster Abbey in London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (Jack Hill/Pool Photo via AP)
Meghan Markle receives flowers as she leaves after attending the Commonwealth Service at Westminster Abbey in London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (AP Photo/Kirsty Wigglesworth, pool)
Britain's Prince William and Kate, the Duchess of Cambridge leave after attending the Commonwealth Service at Westminster Abbey in London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (AP Photo/Kirsty Wigglesworth, pool)
Britain's Prince Harry and Meghan Markle meet with religious leaders after the Commonwealth Service at Westminster Abbey, London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. ( Jack Hill/Pool Photo via AP)
From left, Britain's Prince William, Kate the Duchess of Cambridge, Meghan Markle and Britain's Prince Harry arrive for the Commonwealth Service at Westminster Abbey, London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (Paul Grover/Pool Photo via AP)
Britain's Prince William and Kate, the Duchess of Cambridge with Prince Harry, centre, leave after attending the Commonwealth Service at Westminster Abbey in London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (AP Photo/Kirsty Wigglesworth, pool)
From left, Britain's Queen Elizabeth, Prince Charles, Camilla Duchess of Cornwall, Prince William and Kate the Duchess of Cambridge attend the Commonwealth Service at Westminster Abbey, London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (Paul Grover/Pool Photo via AP)
From left, Britain's Prince William, Kate the Duchess of Cambridge, Meghan Markle and Britain's Prince Harry arrive for the Commonwealth Service at Westminster Abbey, London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (Paul Grover/Pool Photo via AP)
From left, Britain's Prince Harry and Meghan Markle meet with religious leaders after the Commonwealth Service at Westminster Abbey, London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (Paul Grover/Pool Photo via AP)
Kate, the Duchess of Cambridge, left, and Meghan Markle arrive for the Commonwealth Service at Westminster Abbey, London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (Paul Grover/Pool Photo via AP)
Meghan Markle meets well-wishers in the Dean's yard, after the Commonwealth Service at Westminster Abbey in London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (Jack Hill/Pool Photo via AP)
Britain's Prince Harry and Meghan Markle leave after attending the Commonwealth Service at Westminster Abbey in London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (AP Photo/Kirsty Wigglesworth, pool)
Meghan Markle receives flowers as she leaves after attending the Commonwealth Service at Westminster Abbey in London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (AP Photo/Kirsty Wigglesworth, pool)
From left, Britain's Prince William, Kate the Duchess of Cambridge, Meghan Markle and Britain's Prince Harry arrive for the Commonwealth Service at Westminster Abbey, London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (Paul Grover/Pool Photo via AP)
From left, Britain's Queen Elizabeth, Prince Charles, Camilla Duchess of Cornwall, Prince William and Kate the Duchess of Cambridge attend the Commonwealth Service at Westminster Abbey, London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (Paul Grover/Pool Photo via AP)
From left, Britain's Prince William, Kate the Duchess of Cambridge, Meghan Markle and Britain's Prince Harry arrive for the Commonwealth Service at Westminster Abbey, London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (Paul Grover/Pool Photo via AP)
Meghan Markle receives flowers as she leaves after attending the Commonwealth Service at Westminster Abbey in London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (AP Photo/Kirsty Wigglesworth, pool)
FILE - In this Friday, April, 29, 2011 file photo, Britain's Prince William and his wife Kate, Duchess of Cambridge stand outside Westminster Abbey after their Royal Wedding in London. With Prince Harry and Meghan Markle's May 19 wedding fast approaching, the fashion and bridal worlds are abuzz with talk of who the bride will pick to design her dress and what kind of look she would go for. (AP Photo/Martin Meissner, File)
Meghan Markle talks to school children as she arrives with her fiance Britain's Prince Harry to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (AP Photo/Matt Dunham)
Meghan Markle talks to school children as she arrives with her fiance Britain's Prince Harry to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (AP Photo/Matt Dunham)
Meghan Markle meets local school children as she arrives with her fiance Britain's Prince Harry to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (Hannah McKay/Pool via AP)
From left, Meghan Markle, Kate, Duchess of Cambridge and Britain's Prince William during the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
Britain's Prince Harry and Meghan Markle take part in an event as part of International Women's Day in Birmingham, central England, Thursday, March 8, 2018. (Ian Vogler/Pool via AP)
Britain’s Prince Harry and his fiancee Meghan Markle arrive to take part in an event for young women as part of International Women’s Day in Birmingham, central England, Thursday March 8, 2018. (AP Photo/Rui Vieira)
Meghan Markle talks to school children as she arrives with her fiance Britain's Prince Harry to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (AP Photo/Matt Dunham)
Britain's Prince Harry and his fiancee US actress Meghan Markle watch Coach Core apprentices taking part in a training masterclass exercise during their to visit the Nechells Wellbeing Centre in Birmingham central England on Thursday March 8, 2018 to meet Coach Core apprentices. The Coach Core apprenticeship scheme was designed by The Royal Foundation of The Duke and Duchess of Cambridge and Prince Harry to train young people aged 16 - 24 with limited opportunities to become sports coaches and mentors within their communities. (Oli Scarff Poool via AP)
Britain's Kate, Duchess of Cambridge, right, with Prince Harry and his fiancee Meghan Markle attend the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
Britain's Kate, Duchess of Cambridge, right, and Meghan Markle attend the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
Britain's Prince William and Kate, Duchess of Cambridge, right, with Prince Harry and his fiancee Meghan Markle attend the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
Britain’s Prince Harry and his fiancee Meghan Markle arrive to take part in an event for young women as part of International Women’s Day in Birmingham, central England, Thursday March 8, 2018. (AP Photo/Rui Vieira)
FILE - In this file photo dated Friday, Dec. 1, 2017, Britain's Prince Harry and his fiancee Meghan Markle, in Nottingham, England. The Metropolitan Police force said "a package containing a substance" was delivered to St. James's Palace on Feb. 12, sent to Prince Harry and his fiancee Meghan Markle, and is now being investigated as a racist hate crime, Scotland Yard said Thursday Feb. 22, 2018. (AP Photo/Frank Augstein, FILE)
Britain's Prince Harry and his fiancee US actress Meghan Markle talks with Coach Core apprentices taking part in a training masterclass exercise during their to visit the Nechells Wellbeing Centre in Birmingham central England on Thursday March 8, 2018 to meet Coach Core apprentices. The Coach Core apprenticeship scheme was designed by The Royal Foundation of The Duke and Duchess of Cambridge and Prince Harry to train young people aged 16 - 24 with limited opportunities to become sports coaches and mentors within their communities. (Oli Scarff Poool via AP)
Meghan Markle talking to children as she leaves the Commonwealth Service at Westminster Abbey in London, Monday March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom.(Yui Mok/PA via AP)
Britain's Prince Harry's fiancee Meghan Markle leaves the Commonwealth Service at Westminster Abbey, London Monday March 12, 2018. (Yui Mok/PA via AP)
Britain's Prince William and Kate, Duchess of Cambridge, with Prince Harry, left, and his fiancee Meghan Markle, third left, attend the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
Meghan Markle talks to school children as he arrives with her fiance Britain's Prince Harry to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (AP Photo/Matt Dunham)
From left, Britain's Prince Harry, Meghan Markle, and Kate, Duchess of Cambridge during the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
Meghan Markle talks to school children as she arrives with her fiance Britain's Prince Harry to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (AP Photo/Matt Dunham)
Britain's Kate, Duchess of Cambridge, right, with Prince Harry and his fiancee Meghan Markle attend the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
Britain's Prince Harry and Meghan Markle take part in an event as part of International Women's Day in Birmingham, central England, Thursday, March 8, 2018. (Ian Vogler/Pool via AP)
Meghan Markle arrives with her fiance Britain's Prince Harry to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (Hannah McKay/Pool via AP)
Meghan Markle arrives with her fiance Britain's Prince Harry to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (Hannah McKay/Pool via AP)
Meghan Markle talks to school children as she arrives with her fiance Britain's Prince Harry to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (AP Photo/Matt Dunham)
Meghan Markle arrives with her fiance Britain's Prince Harry to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (Hannah McKay/Pool via AP)
Britain's Prince Harry and his fiancee US actress Meghan Markle hold hands during their to visit the Nechells Wellbeing Centre in Birmingham central England on Thursday March 8, 2018 to meet Coach Core apprentices. The Coach Core apprenticeship scheme was designed by The Royal Foundation of The Duke and Duchess of Cambridge and Prince Harry to train young people aged 16 - 24 with limited opportunities to become sports coaches and mentors within their communities. (Oli Scarff Poool via AP)
Britain's Prince Harry and his fiance Meghan Markle speak to schoolchildren as they arrive to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (AP Photo/Matt Dunham)
Britain's Kate, Duchess of Cambridge, right, with Prince Harry and his fiancee Meghan Markle attend the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
Britain's Prince Harry and Meghan Markle, arrive for the Commonwealth Service at Westminster Abbey in London, Monday March 12, 2018. The service marks the annual Commonwealth Day. (Yui Mok/PA via AP)
Britain's Prince Harry and his fiancee US actress Meghan Markle visit Nechells Wellbeing Centre in Birmingham central England on Thursday March 8, 2018 to meet Coach Core apprentices. The Coach Core apprenticeship scheme was designed by The Royal Foundation of The Duke and Duchess of Cambridge and Prince Harry to train young people aged 16 - 24 with limited opportunities to become sports coaches and mentors within their communities. (Oli Scarff Poool via AP)
Britain's Kate, Duchess of Cambridge, right, and Meghan Markle attend the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
Britain's Prince Harry and Meghan Markle, arrive for the Commonwealth Service at Westminster Abbey in London, Monday March 12, 2018. (Yui Mok/PA via AP)
Meghan Markle with Britain's Prince Harry, takes part in an event as part of International Women's Day in Birmingham, central England, Thursday, March 8, 2018. (Ian Vogler/Pool via AP)
Britain's Prince William and Kate, Duchess of Cambridge, with Prince Harry, left, and his fiancee Meghan Markle, second left, attend the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
Meghan Markle arrives with her fiance Britain's Prince Harry to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (Hannah McKay/Pool via AP)
Britain's Princess Kate The Duchess of Cambridge reacts as she leaves the Commonwealth Service at Westminster Abbey in London, Monday March 12, 2018. The service marks the annual Commonwealth Day. (Yui Mok/PA via AP)
Meghan Markle arrives with her fiance Britain's Prince Harry to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (Hannah McKay/Pool via AP)
Britain's Prince Harry and his fiance Meghan Markle wave to school children as they arrive to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (AP Photo/Matt Dunham)
Britain's Prince Harry and Meghan Markle laugh during the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
Britain's Prince Harry and his fiance Meghan Markle speak together as they arrive to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (AP Photo/Matt Dunham)
Britain's Kate, Duchess of Cambridge, right, and Meghan Markle attend the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
From left, Meghan Markle, Kate, Duchess of Cambridge and Britain's Prince William during the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
Britain's Kate, Duchess of Cambridge, right, with Prince Harry and his fiancee Meghan Markle attend the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
Meghan Markle waves and talks to school children as she arrives with her fiance Britain's Prince Harry to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (AP Photo/Matt Dunham)
Britain's Prince Harry and his fiance Meghan Markle speak together as they arrive to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (AP Photo/Matt Dunham)
Britain's Prince Harry and his fiance Meghan Markle are greeted by school girl Sophia Richards as they arrive to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (AP Photo/Matt Dunham)
Britain's Prince William and Kate, Duchess of Cambridge, with Prince Harry, left, and his fiancee Meghan Markle, second left, attend the first annual Royal Foundation Forum in London, Wednesday Feb. 28, 2018. Under the theme 'Making a Difference Together', the event will showcase the programmes run or initiated by The Royal Foundation. (Chris Jackson/Pool via AP)
Britain's Princess Kate The Duchess of Cambridge arrives with other family members for the Commonwealth Service at Westminster Abbey in London, Monday March 12, 2018. The service marks the annual Commonwealth Day. (Yui Mok/PA via AP)
Britain's Princess Kate The Duchess of Cambridge arrives with other family members for the Commonwealth Service at Westminster Abbey in London, Monday March 12, 2018. The service marks the annual Commonwealth Day. (Yui Mok/PA via AP)
Britain's Prince Harry and his fiance Meghan Markle are greeted by flag waving school children as they arrive to take part in an event for young women as part of International Women's Day in Birmingham, central England Thursday, March 8, 2018. (AP Photo/Matt Dunham)
FILE - In this Nov. 27, 2017 file photo, Britain's Prince Harry, left, and Meghan Markle pose for the media at Kensington Palace in London. The royal nuptials will take place on Saturday, May 19, beginning at 7 a.m. Eastern time in the U.S. and fans are already planning their viewing parties. (Eddie Mulholland/Pool via AP)
FILE - In this Nov. 27, 2017 file photo, Britain's Prince Harry, left, and Meghan Markle pose for the media at Kensington Palace in London. The royal nuptials will take place on Saturday, May 19, beginning at 7 a.m. Eastern time in the U.S. and fans are already planning their viewing parties. (Eddie Mulholland/Pool via AP)
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Meghan Markle receives flowers as she leaves after attending the Commonwealth Service at Westminster Abbey in London, Monday, March 12, 2018. Organised by The Royal Commonwealth Society, the Commonwealth Service is the largest annual inter-faith gathering in the United Kingdom. (AP Photo/Kirsty Wigglesworth, pool)