Diana, Princess of Wales was the world's most photographed woman during the 1980s and 90s. Her every outfit was scrutinized, criticized, admired and endlessly copied, her every fashion choice proved enormously influential. But it was only towards the end of her life that she found her own true style and the panache and confidence to flaunt it. The shy, aristocratic nanny made some notorious early fashion faux pas. But with expert guidance from Vogue...