Prince Charles reportedly found Princess Diana's personality "difficult to cope with" during their ill-fated marriage. The late royal was "moody" and "mercurial," at least according to former royal correspondent Jane Moore. Charles and Diana tied the knot in 1981, separated in 1992, and finalized their divorce in 1996.

In her biography, Beller said that Bessette Kennedy "tried to get” her husband to call Diana’s sons, Prince William and Prince Harry, to give his condolences, after reports came out that Diana had wanted her sons to take after JFK Jr.

In a joint appearance for the Nigerian State dinner in the U.K., both Princess Kate and Queen Camilla wore tiaras for the first time this year.

Princess Anne rocked a rewear from the 1960s to the glam state banquet at Windsor Castle! See photos of Princess Anne's outfits, then and now.

FX's "Love Story" explores Bessette's animosity towards relentless paparazzi, paralleling the Princess of Wales' tragic car accident.

When you buy through links on our articles, Future and its syndication partners may earn a commission. "Catherine had presented William with a simple choice: if he couldn't commit, their relationship would have to come to an end,

Prince Albert of Monaco’s daughter opens up about her 'Princess Diaries' parallels — and stepping into a new era with her debut single 'Cup of Tea'