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ASCOT, UNITED KINGDOM - JUNE 03: Lady Diana Spencer, wearing a red outfit designed by Bellville Sassoon, a red hat with a white flower designed by John Boyd and red heels, is accompanied by her bodyguard Graham Smith, as she attends Royal Ascot for the first time on June 03, 1981 in Ascot, England. (Photo by Anwar Hussein/WireImage)

ASCOT, UNITED KINGDOM - JUNE 03: Lady Diana Spencer, wearing a red outfit designed by Bellville Sassoon, a red hat with a white flower designed by John Boyd and red heels, is accompanied by her bodyguard Graham Smith, as she attends Royal Ascot for the first time on June 03, 1981 in Ascot, England. (Photo by Anwar Hussein/WireImage)