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British Royals Diana, Princess of Wales, wearing a turquoise and red polka dot shirt with a beige, pleated skirt suit, and Charles, Prince of Wales pose with members of the RNLI (Royal National Lifeboat Institution) crew during a visit to the RNLI lifeboat station in Aith on Shetland Mainland, Scotland, 25th July 1986. (Photo by Tim Graham Photo Library via Getty Images)

British Royals Diana, Princess of Wales, wearing a turquoise and red polka dot shirt with a beige, pleated skirt suit, and Charles, Prince of Wales pose with members of the RNLI (Royal National Lifeboat Institution) crew during a visit to the RNLI lifeboat station in Aith on Shetland Mainland, Scotland, 25th July 1986. (Photo by Tim Graham Photo Library via Getty Images)