Prince Charles, Prince of Wales, and Diana, Princess of Wales, visit Sicily during their trip to Italy, Diana is wearing a Catherine Walker dress and a hat by John Boyd, 30th April 1985. (Photo by John Shelley Collection/Avalon/Getty Images)
Prince Charles, Prince of Wales, and Diana, Princess of Wales, visit Sicily during their trip to Italy, Diana is wearing a Catherine Walker dress and a hat by John Boyd, 30th April 1985. (Photo by John Shelley Collection/Avalon/Getty Images)