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 My Fair Lady Eliza Doolittle Snog The Frog Barbie Doll as Eliza Doolittle in My Fair Lady Hollywood Legends Mattel 15497 Walmart.com My Fair Lady" Collection Demascar Audrey Hepburn's white ballgown from 'My Fair Lady' (1964), designed by Cecil Beaton : r whatthefrockk Iconic Dress: Audrey Hepburn's pink dress in My Fair Lady (1964). Costume designer Cecil Beaton created for Audrey a pink dress with a big flower for the film My Fair Lady (1964).