Britain's Catherine, Duchess of Cambridge, (L) and Britain's Prince William, Duke of Cambridge, (2L), US actress and fiancee of Britain's Prince Harry Meghan Markle (2R) and Britain's Prince Harry (R) stand together in front of other members of the family as they wait to see off Britain's Queen Elizabeth II after attending the Royal Family's traditional Christmas Day church service at St Mary Magdalene Church in Sandringham, Norfolk, eastern England, on December 25, 2017. / AFP PHOTO / Adrian DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)