Other royals in attendance included Queen Elizabeth II, Princess Anne, and Prince Charles.

The Prince of Wales with the Duke and Duchess of Cambridge and their children Prince George and Princess Charlotte arriving to attend the Christmas Day morning church service

Joe Giddens/PA Images via Getty

Duchess of Cambridge and Prince William, Duke of Cambridge with Prince George of Cambridge and Princess Charlotte of Cambridge attend the Christmas Day Church service at Church of St Mary Magdalene on the Sandringham estate on December 25, 2019 in King’s Lynn, United Kingdom

Mark Cuthbert/UK Press via Getty

KING’S LYNN, ENGLAND - DECEMBER 25: Prince George of Cambridge and Princess Charlotte of Cambridge attend the Christmas Day Church service at Church of St Mary Magdalene on the Sandringham estate on December 25, 2019 in King’s Lynn, United Kingdom. (Photo by Mark Cuthbert/UK Press via Getty Images)

Mark Cuthbert/UK Press via Getty

Edoardo Mapelli Mozzi and Princess Beatrice after attending the Christmas Day morning church service at St Mary Magdalene Church in Sandringham, Norfolk. (Photo by Joe Giddens/PA Images via Getty Images)

Joe Giddens/PA Images via Getty

The Duchess of Cambridge and Princess Charlotte meet well wishers after attending the Christmas Day morning church service at St Mary Magdalene Church in Sandringham, Norfolk. (Photo by Joe Giddens/PA Images via Getty Images)

Joe Giddens/PA Images via Getty

KING’S LYNN, ENGLAND - DECEMBER 25: Catherine, Duchess of Cambridge speaks to Princess Charlotte as Prince George watches as they leave after attending the Christmas Day Church service at Church of St Mary Magdalene on the Sandringham estate on December 25, 2019 in King’s Lynn, United Kingdom. (Photo by Stephen Pond/Getty Images)

Stephen Pond/Getty

KING’S LYNN, ENGLAND - DECEMBER 25: Queen Elizabeth II attends the Christmas Day Church service at Church of St Mary Magdalene on the Sandringham estate on December 25, 2019 in King’s Lynn, United Kingdom. (Photo by Stephen Pond/Getty Images)

Stephen Pond/Getty

Prince George of Cambridge attends the Christmas Day Church

Samir Hussein/WireImage

KING’S LYNN, ENGLAND - DECEMBER 25: Princess Charlotte attends the Christmas Day Church service at Church of St Mary Magdalene on the Sandringham estate on December 25, 2019 in King’s Lynn, United Kingdom. (Photo by Pool/Samir Hussein/WireImage)

Samir Hussein/WireImage

Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge and Prince George attend the Christmas Day Church service

Stephen Pond/Getty

Prince Charles, Prince of Wales ,Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge and Prince George attend the Christmas Day Church service

Stephen Pond/Getty

The Duke and Duchess of Cambridge and their children Prince George and Princess Charlotte arriving to attend the Christmas Day morning church service at St Mary Magdalene Church in Sandringham, Norfolk. (Photo by Joe Giddens/PA Images via Getty Images)

Joe Giddens/PA Images via Getty

Britain’s Prince William, Duke of Cambridge (L) and Britain’s Prince George of Cambridge arrive for the Royal Family’s traditional Christmas Day service at St Mary Magdalene Church in Sandringham, Norfolk, eastern England, on December 25, 2019. (Photo by Ben STANSALL / AFP) (Photo by BEN STANSALL/AFP via Getty Images)

Ben Stansall/AFP via Getty

The Duchess of Cambridge and Princess Charlotte meet well wishers after attending the Christmas Day morning church service at St Mary Magdalene Church in Sandringham, Norfolk. (Photo by Joe Giddens/PA Images via Getty Images)

Joe Giddens/PA Images via Getty

The Duchess of Cambridge and Princess Charlotte meet well wishers after attending the Christmas Day morning church service at St Mary Magdalene Church in Sandringham, Norfolk. (Photo by Joe Giddens/PA Images via Getty Images)

Joe Giddens/PA Images via Getty

(L-R) Britain’s Prince George of Cambridge, Britain’s Princess Charlotte of Cambridge, Britain’s Prince William, Duke of Cambridge and Britain’s Catherine, Duchess of Cambridge leave after the Royal Family’s traditional Christmas Day service at St Mary Magdalene Church in Sandringham, Norfolk, eastern England, on December 25, 2019. (Photo by Ben STANSALL / AFP) (Photo by BEN STANSALL/AFP via Getty Images)

Ben Stansall/AFP via Getty

(L-R) Britain’s Prince George of Cambridge, Britain’s Prince William, Duke of Cambridge, Britain’s Princess Charlotte of Cambridge, Britain’s Princess Anne, Princess Royal and Britain’s Catherine, Duchess of Cambridge leave after the Royal Family’s traditional Christmas Day service at St Mary Magdalene Church in Sandringham, Norfolk, eastern England, on December 25, 2019. (Photo by Ben STANSALL / AFP) (Photo by BEN STANSALL/AFP via Getty Images)

Ben Stansall/AFP via Getty

KING’S LYNN, ENGLAND - DECEMBER 25: Queen Elizabeth II leaves after attending the Christmas Day Church service at Church of St Mary Magdalene on the Sandringham estate on December 25, 2019 in King’s Lynn, United Kingdom. (Photo by Stephen Pond/Getty Images)

Stephen Pond/Getty

Britain’s Princess Charlotte of Cambridge (L) and Britain’s Catherine, Duchess of Cambridge leave after the Royal Family’s traditional Christmas Day service at St Mary Magdalene Church in Sandringham, Norfolk, eastern England, on December 25, 2019. (Photo by Ben STANSALL / AFP) (Photo by BEN STANSALL/AFP via Getty Images)

Ben Stansall/AFP via Getty

The Prince of Wales, the Duchess of Cambridge, Prince George and the Duchess of Cornwall after attending the Christmas Day morning church service at St Mary Magdalene Church in Sandringham, Norfolk. (Photo by Joe Giddens/PA Images via Getty Images)

Joe Giddens/PA Images via Getty

The Duke of Cambridge and Prince George meet well wishers after attending the Christmas Day morning church service at St Mary Magdalene Church in Sandringham, Norfolk. (Photo by Joe Giddens/PA Images via Getty Images)

Joe Giddens/PA Images via Getty

KING’S LYNN, ENGLAND - DECEMBER 25: Princess Charlotte of Cambridge attempts a curtsey to the Queen at the Christmas Day Church service at Church of St Mary Magdalene on the Sandringham estate on December 25, 2019 in King’s Lynn, United Kingdom. (Photo by Mark Cuthbert/UK Press via Getty Images)

Mark Cuthbert/UK Press via Getty

Prince George and Princess Charlotte after attending the Christmas Day morning church service at St Mary Magdalene Church in Sandringham, Norfolk. (Photo by Joe Giddens/PA Images via Getty Images)

Joe Giddens/PA Images via Getty