The King and Queen greeted members of the public as they attended the Christmas Eve church service at Sandringham in Norfolk.
The King, wearing a long tweed coat, waved at well-wishers as he walked towards St Mary Magdalene Church. He and the Queen, who was dressed in a long black wool coat with a black hat, smiled warmly at the assembled crowds.
Princess Anne, dressed in a red coat and hat, and Sir Tim Laurence, her husband, joined the couple for the service.
The royals will attend a special service at the church on Christmas Day, and will spend that day and New Year’s at Sandringham House.