Sarah Ferguson and Princess Diana were both sisters-in-law and friends as they navigated marrying into the Royal Family in the 1980s. And while they had their ups and downs over the years, Ferguson called Diana her "best friend" in a recent interview with the Sunday Times.

Earlier this year, the king revealed he was diagnosed with cancer after he underwent a “routine hospital procedure for benign prostate enlargement.”

Sarah Ferguson has opened up about her friendship with her former brother-in-law, King Charles. “I’ve known the King all my life and I absolutely adore him. He’s kind and makes me laugh, and I love that he still calls me Fergie,

Sarah Ferguson and Princess Diana's relationship began during their childhood, but the Duchess of York has become pals with King Charles' mistress-turned-wife, Queen Camilla, in recent years. “Queen Camilla was close friends with mom,

"Sarah, remember that yourself is good enough,” Ferguson said the Queen — whom she called, “Mumma" — said to her before she died at Balmoral Castle in Scotland. “She kne

The Duchess of York has opened up about her relationship with the Royal Family and shared a rare insight into her connection with the Queen.