Before "Fergie" and "Di," before the Duchess of York and the Princess of Wales, there was Sarah Ferguson and Diana Spencer. "We were best friends from when she was 14 and I was 15," the Duchess ...

Sarah "Fergie" Ferguson grew up alongside Princess Diana ... first met the then-Diana Spencer when they were teenagers. Can't get enough of PEOPLE's Royals coverage? Sign up for our free ...

The Duchess of York also called the late Princess of Wales her “dear friend” in a moving Instagram post. Even before either married into the royal family, Lady Diana Spencer and Sarah Ferguson ...

In The Palace Papers, Ms Brown notes: 'Diana, who knew she would soon face divorce herself, regarded her sister-in-law's negotiations as the road map of how to mess it up.' One of Sarah's biggest ...

Even before either married into the royal family, Lady Diana Spencer and Sarah Ferguson were friends. Ferguson—known as “Fergie” affectionately—married into the royal family in 1986 ...

Even before either married into the royal family, Lady Diana Spencer and Sarah Ferguson were friends. Ferguson—known as “Fergie” affectionately—married into the royal family in 1986, exchanging vows ...

On Sunday, Feb. 23, Sarah Ferguson, the Duchess of York, paid tribute to her beloved friend in a new Instagram post—and showed her support for the Diana Award in the process. The duchess shared ...

Believe it or not, the late Princess Diana was not the only Spencer sister to have captured the heart of a young Prince Charles ... Palace fairytale to life behind bars Jane Andrews spent her ...