See Audrey Hepburn's Wedding Dress, 71 Years Later: All About the Tea Length Look That Changed Bridal Fashion AOL Audrey Hepburn wore this embroidered lace gown for the Royal Ascot scene in 'My Fair Lady'. The costume designer was Cecil Beaton and he won the Oscar for Best Costume Design for Amazon.com: Audrey Hepburn in My Fair Lady Photo Print (8 x 10) : Clothing, Shoes & Jewelry My Fair Lady (1964)