Catherine, Duchess of Cambridge and Meghan, Duchess of Sussex arrive to attend Christmas Day Church service at Church of St. Mary Magdalene on the Sandringham estate in Norfolk, England, on December 25, 2018. Stephen Pond/Getty Images

The Prince of Wales, the Duke of Cambridge, the Duchess of Cambridge, the Duchess of Sussex and the Duke of Sussex arriving to attend the Christmas Day morning church service at St. Mary Magdalene Church. Joe Giddens/PA Images/Getty Images

Queen Elizabeth II arrives for the royal family's traditional Christmas Day service at St. Mary Magdalene Church PAUL ELLIS/AFP/Getty Images

Britain's Princess Beatrice of York (right) arrives for the royal family's traditional Christmas Day service at St. Mary Magdalene Church. PAUL ELLIS/AFP/Getty Images

The Countess of Wessex, Lady Louise Windsor, James Viscount Severn and the Earl of Wessex arriving to attend the Christmas Day morning church service at St. Mary Magdalene Church. Joe Giddens/PA Images/Getty Images