LONDON - DECEMBER 04: Diana, Princess of Wales, wearing a Catherine Walker blue glitter dress, attends a Diamond Ball in aid of the charity Sane on December 04, 1990 in London, England. (Photo by Anwar Hussein/Getty Images)
LONDON - DECEMBER 04: Diana, Princess of Wales, wearing a Catherine Walker blue glitter dress, attends a Diamond Ball in aid of the charity Sane on December 04, 1990 in London, England. (Photo by Anwar Hussein/Getty Images)