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Setting off her fit physique and dazzling blue eyes, Diana stunned at a 1997 London performance of Swan Lake in a turquoise sheath by Jacques Azagury (Credit: REX USA/Tim Rooke)

Setting off her fit physique and dazzling blue eyes, Diana stunned at a 1997 London performance of Swan Lake in a turquoise sheath by Jacques Azagury (Credit: REX USA/Tim Rooke)