The Royal Family attends their traditional Christmas Day Church Service in Sandringham, Plus Mariah Carey and more. From Hollywood to New York and everywhere in between, see what your favorite stars are up to.

King Charles and his family strolled to St Mary Magdalene, a 16th-century church on the Sandringham estate, part of a royal family tradition that's been going for decades.

King Charles and Queen Camilla, who have made Christmas morning mass at Sandringham Church an annual tradition, were joined by Prince William, Kate Middleton and their three children: Prince George, Princess Charlotte and Prince Louis.