Diana, Princess of Wales (1961 - 1997) with Prince William at the Guards Polo Club in Windsor, 2nd May 1988. She is wearing a British Lung Foundation sweatshirt. (Photo by Terry Fincher/Princess Diana Archive/Getty Images)
Diana, Princess of Wales (1961 - 1997) with Prince William at the Guards Polo Club in Windsor, 2nd May 1988. She is wearing a British Lung Foundation sweatshirt. (Photo by Terry Fincher/Princess Diana Archive/Getty Images)