LONDON, ENGLAND - FEBRUARY 22: A 1991 Atelier Versace silk gown worn by Princess Diana at a Harper's Bazaar photoshoot with Patrick Demarchelier on display at a press preview at Kensington Palace on February 22, 2017 in London, England. The exhibition 'Diana: Her Fashion Story', which showcases a number of the Princess' dresses and outfits, opens to the public on February 24 as part of events commemorating the life of Princess Diana to mark the 20th anniversary of her death in Paris on August 31st, 1997. (Photo by Jack Taylor/Getty Images)
