Britain's Prince Harry, Duke of Sussex and his wife Meghan, Duchess of Sussex emerge from the West Door of St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018 after their wedding ceremony. / AFP PHOTO / POOL / Ben Birchall

Meghan Markle (R) and her mother, Doria Ragland, arrive for her wedding ceremony to marry Britain's Prince Harry, Duke of Sussex, at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. / AFP PHOTO / Oli SCARFF

Meghan Markle and her mother, Doria Ragland, are driven along the Long Walk as they arrive for her wedding ceremony to marry Britain's Prince Harry, Duke of Sussex, at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. / AFP PHOTO / EMMANUEL DUNAND

Britain's Queen Elizabeth II and Britain's Prince Philip, Duke of Edinburgh arrive for the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. / AFP PHOTO / POOL / TOBY MELVILLE

US actress Meghan Markle arrives for the wedding ceremony to marry Britain's Prince Harry, Duke of Sussex, at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. Ben STANSALL / POOL / AFP

Britain's Prince Harry, Duke of Sussex, arrives with his best man Prince William, Duke of Cambridge, at the West Door of St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018 for his wedding ceremony to marry US actress Meghan Markle. / AFP PHOTO / POOL / Jane Barlow

US actress Meghan Markle (C) walks down the aisle in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018 during her wedding to Britain's Prince Harry, Duke of Sussex. / AFP PHOTO / POOL / Danny Lawson

Britain's Prince Harry, Duke of Sussex (L) and Prince Harry's brother and best man Prince William, Duke of Cambridge wait in the chapel ahead of his wedding to US actress Meghan Markle at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. / AFP PHOTO / POOL / Owen Humphreys

Britain's Prince Harry, Duke of Sussex, and US fiancee of Britain's Prince Harry Meghan Markle during their wedding ceremony in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. / AFP PHOTO / POOL / Dominic Lipinski

Britain's Prince Harry, Duke of Sussex (R) and Britain's Meghan Markle, Duchess of Sussex, (L) walk away from the High Altar toward the West Door at the end of their wedding ceremony in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. / AFP PHOTO / POOL / Danny Lawson

Britain's Prince Harry, Duke of Sussex (R) removes the veil of US actress Meghan Markle (L) as they stand at the altar together before Archbishop of Canterbury Justin Welby (C) in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018 during their wedding ceremony. / AFP PHOTO / POOL / Owen Humphreys

Britain's Prince Harry, Duke of Sussex and his wife Meghan, Duchess of Sussex emerge from the West Door of St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018 after their wedding ceremony. / AFP PHOTO / POOL / Ben Birchall

(L-R) Meghan Markle's mother Doria Ragland, Britain's Prince Charles, Prince of Wales, Britain's Camilla, Duchess of Cornwall, Princess Charlotte and Britain's Catherine, Duchess of Cambridge leave the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. Ben STANSALL / POOL / AFP

Princess Charlotte (L) waves by her mother Britain's Catherine, Duchess of Cambridge after attending the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. / AFP PHOTO / POOL / Jane Barlow

US TV talk host Oprah Winfrey (C) leaves after attending the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. / AFP PHOTO / POOL / Ian West

Britain's Prince Harry, Duke of Sussex and his wife Meghan, Duchess of Sussex walk down the west steps of St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018 after their wedding ceremony. / AFP PHOTO / POOL / Andrew Matthews

Britain's Prince Harry, Duke of Sussex and his wife Meghan, Duchess of Sussex emerge from the West Door of St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018 after their wedding ceremony. / AFP PHOTO / POOL / Jane Barlow

Britain's Prince Harry, Duke of Sussex and his wife Meghan, Duchess of Sussex wave from the Ascot Landau Carriage during their carriage procession on the Long Walk as they head back towards Windsor Castle in Windsor, on May 19, 2018 after their wedding ceremony. / AFP PHOTO / POOL / Aaron Chown

Britain's Prince Harry, Duke of Sussex and his wife Meghan, Duchess of Sussex begin their carriage procession in the Ascot Landau Carriage after their wedding ceremony at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. / AFP PHOTO / POOL / ANDREW MILLIGAN