Diana Frances Spencer was born on July 1, 1961 in Norfolk, England.
The Spencer family had close ties with the British Royal Family long before Diana married into it, with both her grandmothers serving as ladies-in-waiting for the Queen mother.
Diana met Prince Charles when she was just 16 years old.
They got engaged when she was 20, and married a few months later.
Sadly, the marriage was not to last, and the couple eventually divorced, but not before having two little boys: William and Harry.
Tragically, in a life hounded by paparazzi and media interest, Diana died in a car accident in Paris on August 31, 1997. She was 36.How old would Diana be today?
If Diana were alive, today would be her 57th birthday.
GettyPrincess Diana birthday: Diana would have turned 57 today
In an ITV interview last year, marking the 20th anniversary of her untimely death, her loving sons spoke of her with great fondness.
They recalled her wicked sense of humour, particularly over her outfit choices for her children.
Harry said: “I would love to ask her now because I genuinely think she got satisfaction out of dressing myself and William up in the most bizarre outfits.
“Normally matching - it was weird shorts - shiny shoes with a clip on. The photos just make me laugh and I think ‘how could you do that to us?’.”
GettyPrincess Diana birthday: Diana Frances Spencer was born on July 1, 1961
GettyPrincess Diana birthday: Diana with little William and Harry
Harry also remembers Diana as "one of