State Visit of The President of Nigeria, 1989 [Getty Images]

British Royal Diana, Princess of Wales (1961-1997), wearing a Catherine Walker evening gown and the Spencer family tiara, arrives for a State Banquet on the occasion of the State Visit of the President of Nigeria, held at Claridges Hotel in Mayfair, London, England, 11th May 1989. (Photo by Tim Graham Photo Library via Getty Images)

Tim Graham Photo Library Tim Graham