LONDON, ENGLAND - JUNE 11: Diana, Princess of Wales, runs barefoot as she takes part in the Mother's race during Prince Harry's school sports day in Richmond on June 11, 1991 in London, United Kingdom. (Photo by Anwar Hussein/WireImage)
LONDON, ENGLAND - JUNE 11: Diana, Princess of Wales, runs barefoot as she takes part in the Mother's race during Prince Harry's school sports day in Richmond on June 11, 1991 in London, United Kingdom. (Photo by Anwar Hussein/WireImage)