Lady Diana Spencer, soon to be Diana, Princess of Wales (1961 - 1997), looking pensive at a polo match in Windsor after the Ascot races, 16th June 1981. (Photo by Tim Graham Photo Library via Getty Images)
Lady Diana Spencer, soon to be Diana, Princess of Wales (1961 - 1997), looking pensive at a polo match in Windsor after the Ascot races, 16th June 1981. (Photo by Tim Graham Photo Library via Getty Images)