Although the late Diana, Princess of Wales reportedly disliked her husband's then-mistress Queen Camilla, both of King Charles III's wives apparently liked to ditch Sandringham House early after Christmas lunch.

The late Princess of Wales used to “dread these royal family Christmases,” royal biography Ingrid Seward said recently

It's no secret that Princess Diana wasn't a fan of celebrating Christmas with her royal in-laws. Her relationship with the Royal Family—especially during the festive season—was often strained, and as her former butler Paul Burrell recently told Marie Claire,