It was no secret that Princess Diana detested the royal family’s annual Christmas celebrations at Sandringham, and a new program features royal biographer Ingrid Seward and longtime royal photographer Arthur Edwards revealing that Diana used to duck out of Sandringham as quickly as she could to get back to London.

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, she found Christmas at Sandringham to be "like a pressure cooker."

The newest episode of The Sun'sRoyal Exclusive show detailed how Diana would cope with the holidays and saw royal experts Ingrid Seward and Arthur Edwards detailing how the late p

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.