In memory of Diana, Princess of Wales, who was killed in an automobile accident in Paris, France on August 31, 1997. [Getty Images]

LONDON - JUNE 1997: Princess Diana arrives by car to watch a performance of the ballet "Swan Lake" in June 1997 in London, England. (Photo by Anwar Hussein/WireImage) — see more

LONDON - JUNE 1997: Princess Diana arrives by car to watch a performance of the ballet "Swan Lake" in June 1997 in London, England. (Photo by Anwar Hussein/WireImage)

WireImage Anwar Hussein