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SYDNEY, AUSTRALIA - MARCH 28: Prince Charles, Prince of Wales and Diana, Princess of Wales, wearing a pale blue dress with a silver waist belt designed by Bruce Oldfield, attend a Gala dinner and dance at the Wentworth Hotel on March 28, 1983 in Sydney, Australia. (Photo by Anwar Hussein/Getty Images)

SYDNEY, AUSTRALIA - MARCH 28: Prince Charles, Prince of Wales and Diana, Princess of Wales, wearing a pale blue dress with a silver waist belt designed by Bruce Oldfield, attend a Gala dinner and dance at the Wentworth Hotel on March 28, 1983 in Sydney, Australia. (Photo by Anwar Hussein/Getty Images)