Launch Of The Fashion Rules Exhibition At Kensington Palace

LONDON, ENGLAND - FEBRUARY 09: A Hardy Amies dress that was worn by Queen Elizabeth II is displayed 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)