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SWANSEA, WALES - OCTOBER 28: Diana, Princess of Wales, wearing an emerald green taffeta evening gown designed by Graham Wren, meets performers as she attends a gala concert at Brangwyn Hall on October 28, 1981 in Swansea, United Kingdom. (Photo by Anwar Hussein/Getty Images)

SWANSEA, WALES - OCTOBER 28: Diana, Princess of Wales, wearing an emerald green taffeta evening gown designed by Graham Wren, meets performers as she attends a gala concert at Brangwyn Hall on October 28, 1981 in Swansea, United Kingdom. (Photo by Anwar Hussein/Getty Images)