A source has confirmed to PEOPLE that Harry, Meghan Markle, 43, and children Prince Archie, 5, and Princess Lilibet, 3, will spend the holiday in the U.S. They have not been invited to the royal family's Christmas gathering at Sandringham, Norfolk.

Prince Harry joined a virtual Christmas party on Tuesday for 280 children who have lost parents serving in the British armed forces. The Duke of Sussex, who serves as Global Ambassador for Scotty's Little Soldiers charity,

Prince Harry is a global ambassador for Scotty's Little Soldiers, which helps children and young people who have experienced the death of a parent who served in the British Armed Forces.

The Duke of Sussex has told bereaved military children “it’s OK to feel however you feel at Christmas”. Harry, wearing a Santa hat, joined 280 young people for a virtual festive party hosted by the charity Scotty’s Little Soldiers on Tuesday.

Prince Harry’s touching words for some young special children in the UK melted hearts to support his charity.The Duke of Sussex on Tuesday joined a Christmas party held by the