Princess Diana's Revenge Dress, New Wax Figure The origins of the "revenge dress," a breakup trend pioneered by Princess Diana Salon.com 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 Princess Diana's revenge dress is one of her most iconic looks, a black evening dress that became as recognizable as its owner. But years before Princess Diana walked out in the famous