LONDON, ENGLAND - FEBRUARY 09: A Catherine Walker dress that was worn by Princess Diana is displayed along with other pieces worn by the royal family at the Fashion Rules Exhibition at Kensington Palace on February 9, 2016 in London, England. The exhibition, that re-opens to the public on February 11 contains pieces including the dress Queen Elizabeth II wore for her official Silver Jubilee photograph and a dress worn by Diana, Princess of Wales for her last official photo shoot with famed photographer Mario Testino (Photo by Ben Pruchnie/Getty Images)
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Getty Images News Ben Pruchnie