TOPSHOT - Britain's King Charles III (L), Britain's Queen Camilla (2L) Britain's Catherine, Princess of Wales (6R), Britain's Princess Charlotte of Wales (5R), Britain's Prince George of Wales (4R), Britain's Prince William, Prince of Wales (3R), Britain's Prince Louis of Wales (2R) and Mia Tindall (R) arrive for the Royal Family's traditional Christmas Day service at St Mary Magdalene Church on the Sandringham Estate in eastern England, on December 25, 2023. (Photo by Adrian DENNIS / AFP) (Photo by ADRIAN DENNIS/AFP via Getty Images)

TOPSHOT - Britain's Catherine, Princess of Wales (L), Britain's Princess Charlotte of Wales (2L), Britain's Prince George of Wales (3L), Britain's Prince William, Prince of Wales (3R), Britain's Prince Louis of Wales (2R) and Mia Tindall (R) arrive for the Royal Family's traditional Christmas Day service at St Mary Magdalene Church on the Sandringham Estate in eastern England, on December 25, 2023. (Photo by Adrian DENNIS / AFP) (Photo by ADRIAN DENNIS/AFP via Getty Images)

Revd Paul Williams (L) stands bay as Britain's Prince William, Prince of Wales (C) and Britain's Princess Charlotte of Wales (2L), Britain's Catherine, Princess of Wales (R) walks away from the church with Britain's Prince George of Wales and Britain's Prince Louis of Wales after attending the Royal Family's traditional Christmas Day service at St Mary Magdalene Church on the Sandringham Estate in eastern England, on December 25, 2023. (Photo by Adrian DENNIS / AFP) (Photo by ADRIAN DENNIS/AFP via Getty Images)

Revd Paul Williams (L) speaks with Britain's Prince William, Prince of Wales (2L) and Britain's Princess Charlotte of Wales (3L) as Britain's Catherine, Princess of Wales (C) walks away from the church with Britain's Prince George of Wales and Britain's Prince Louis of Wales after attending the Royal Family's traditional Christmas Day service at St Mary Magdalene Church on the Sandringham Estate in eastern England, on December 25, 2023. (Photo by Adrian DENNIS / AFP) (Photo by ADRIAN DENNIS/AFP via Getty Images)

Britain's Catherine, Princess of Wales (R), Britain's Prince Louis of Wales (2R), Mia Tindall (2L) and Britain's Princess Charlotte of Wales (L) chat with well-wishers after attending the Royal Family's traditional Christmas Day service at St Mary Magdalene Church on the Sandringham Estate in eastern England, on December 25, 2023. (Photo by Adrian DENNIS / AFP) (Photo by ADRIAN DENNIS/AFP via Getty Images)

Britain's Catherine, Princess of Wales (R), Britain's Prince Louis of Wales (2R), Mia Tindall (C) and Britain's Princess Charlotte of Wales (L) chat with well-wishers after attending the Royal Family's traditional Christmas Day service at St Mary Magdalene Church on the Sandringham Estate in eastern England, on December 25, 2023. (Photo by Adrian DENNIS / AFP) (Photo by ADRIAN DENNIS/AFP via Getty Images)

This undated handout photograph released by Kensington Palace on December 25, 2023, shows (L-R) Britain's Prince Louis of Wales, Britain's Princess Charlotte of Wales and Britain's Prince George of Wales posing for an official photograph taken by Josh Shinner. (Photo by Josh SHINNER / KENSINGTON PALACE / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / JOSH SHINNER " - NO MARKETING - NO ADVERTISING CAMPAIGNS - NO DIGITAL ALTERATION ALLOWED - DISTRIBUTED AS A SERVICE TO CLIENTS - NOT TO BE USED AFTER DECEMBER 31, 2023 (Photo by JOSH SHINNER/KENSINGTON PALACE/AFP via Getty Images)

TOPSHOT - Britain's Princess Charlotte of Wales (R) has her candle blown out by Britain's Prince Louis of Wales (L) at the "Together At Christmas" Carol Service" at Westminster Abbey in London on December 8, 2023. The event will be broadcast as part of 'Royal Carols: Together At Christmas', a special programme, airing at 7:45pm on ITV1 and ITV X on Christmas Eve. (Photo by Chris Jackson / POOL / AFP) (Photo by CHRIS JACKSON/POOL/AFP via Getty Images)