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LONDON - NOVEMBER 1995: Princess Diana, Princess of Wales, wearing Virgin Atlantic sweatshirt, leaves Chelsea Harbour Club, London in November, 1995. (Photo by Anwar Hussein/WireImage)

LONDON - NOVEMBER 1995:  Princess Diana, Princess of Wales, wearing  Virgin Atlantic sweatshirt, leaves Chelsea Harbour Club, London in November, 1995.  (Photo by Anwar Hussein/WireImage)

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LONDON - AUGUST 01: Princess Diana, Princess of Wales, wearing a sweatshirt and shorts, leaves Chelsea Harbour Club on August 01, 1998 in London, England (Photo by Anwar Hussein/Getty Images)

LONDON - AUGUST 01:  Princess Diana, Princess of Wales, wearing a sweatshirt and shorts, leaves Chelsea Harbour Club on August 01, 1998 in London, England (Photo by Anwar Hussein/Getty Images)

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Diana, Princess of Wales (1961 - 1997) wearing a British Lung Foundation sweatshirt at the Guards Polo Club in Windsor, 2nd May 1988. (Photo by Terry Fincher/Princess Diana Archive/Getty Images)

Diana, Princess of Wales  (1961 - 1997) wearing a British Lung Foundation sweatshirt at the Guards Polo Club in Windsor, 2nd May 1988. (Photo by Terry Fincher/Princess Diana Archive/Getty Images)