In Andrew Morton’s landmark biography of Diana, he writes her disdain for royal family Christmases began as early as 1981, the year she married Prince Charles

Princess Diana was reportedly 'mortified' by one particular Christmas tradition during her family festivities at Sandringham and 'hated' attending each year according to a royal biographer

Although Christmas is often thought to be a time for family festivities, even Princess Diana wasn't immune to feeling less than thrilled about spending the holiday period with her royal relatives

The late Princess of Wales once admitted to being 'terrified' by the Royal Family's 'silly jokes' and 'odd behavior' during her first Christmas at Sandringham in 1981

As was the case for Princess Diana, who absolutely despised spending Christmas with the royal family. According to royal biographer Andrew Morton, who wrote Diana: Her True Story, the late princess developed contempt for the traditional royal holiday celebrations during her first Sandringham Christmas in 1981.