Princess Diana left Prince William and Prince Harry with an important warning before her death in 1997, her former private secretary Patrick Jephson exclusively tells PEOPLE.

Discover why Princess Diana was considered the best-dressed woman of the 1990s, blending elegance, influence, and timeless fashion appeal

"Everything about her—the way she carried herself, the way she spoke, the way she interacted with people, her kindness, her beauty—she was, if I can say, the modern day Princess Diana," former royal butler Grant Harrold said of Kate Middleton.

A royal expert claimed Princess Diana and King Charles both shed tears before their doomed 1981 marriage, with Charles feeling pressured by royal duty despite loving Camilla.

Princess Diana always wore crewneck sweatshirts and biker shorts, which look like these similar styles from Amazon. She also accessorized with athletic sneakers and tote bags, some of which had top handles,

One of the more dramatic moments in recent history revolved around the fallout of Charles’ affair with Camilla while he was still married to Diana. While rumors of a budding romance began swirling in the late ‘80s,

Princess Diana's niece Lady Kitty Spencer is fiercely private, but has been spotted out with her husband of four years Michael Lewis in both the Hamptons and St. Tropez this summer. Kitty shares 2-year-old daughter Athena with Michael,

Prince Harry has reportedly started planning about how he will mark his late mum Princess Diana’s 30th death anniversary as it could be a big money-making opportunity for him.According to The Sun, the Duke and Duchess of Sussex