Princess Diana Revenge Dress Etsy Israel On June 29, 1994, the night Prince Charles admitted to infidelity, Princess Diana arrived at a gala in Kensington Gardens wearing a daring black off the shoulder dress by Christina Stambolian. The Princess Diana's 'revenge dress' wasn't just iconic for the Princess of Wales it has gone down in history as one of the most well known statement looks of all time. She wore Purple Princess Dress 8 On June 29, 1994, Princess Diana wore what later became known as the Revenge Dress. She attended a Vanity Fair fundraising event at the Serpentine Gallery in London on the same evening