KING'S LYNN, ENGLAND - JULY 05:  Prince Charles, Prince of Wales, Camilla, Duchess of Cornwall and Carole Middleto walk behind Catherine, Duchess of Cambridge, Prince William, Duke of Cambridge, Princess Charlotte of Cambridge and Prince George of Cambridge leaving the Church of St Mary Magdalene on the Sandringham Estate after the Christening of Princess Charlotte of Cambridge on July 5, 2015 in King's Lynn, England.  (Photo by Mary Turner - WPA Pool/Getty Images)