My Fair Lady Ball Gown Etsy Audrey Hepburn in 'My Fair Lady' (1964). , Costume designer Cecil Beaton created 1,500 costumes for this movie, with the exception of the pearl white gown Hepburn wears to the Embassy Ball, an McQueen for Givenchy referencing Audrey Hepburn in My Fair Lady, the original dress was designed by Cecile Beaton for Eliza Doolittle to stun at the Embassy Ball. Barbie Hollywood Legends Collection As Eliza Doolittle in My Fair Lady(Embassy Ball Gown)