Prince Harry and Meghan Markle will not be joining the royal family's Christmas celebrations at Sandringham this year. The couple, who reside in the US, last attended the festivities in 2018. King Charles III and Queen Camilla will host the gathering, joined by Prince William, Kate Middleton, and other senior royals.Prince Harry and Meghan Markle will not be joining the royal family's Christmas celebrations at Sandringham this year. The couple, who reside in the US, last attended the festivities in 2018. King Charles III and Queen Camilla will host the gathering, joined by Prince William, Kate Middleton, and other senior royals.