Audrey Hepburn muse, and the two became so closely associated with each other that academic Jayne Sheridan has stated "we might ask 'Did Audrey Hepburn create Givenchy or was it the other way around?'". In addition to "Sabrina", Givenchy designed her costumes for "Love in the Afternoon" (1957), "Breakfast at Tiffany's" (1961), "Funny Face" (1957), "Charade" (1963), "Paris When It Sizzles" (1964), and "How to Steal a Million" (1966), as well as clothed her off screen. According to Moseley, fashion plays an unusually central role in many of Hepburn's films, stating that "the costume is not tied to the character, functioning 'silently'
Audrey Hepburn part because producer Jack L. Warner thought Hepburn or Elizabeth Taylor were more "bankable" propositions. Hepburn initially asked Warner to give the role to Andrews but was eventually cast. Further friction was created when, although non-singer Hepburn had sung in "Funny Face" and had lengthy vocal preparation for the role in "My Fair Lady", her vocals were dubbed by Marni Nixon, whose voice was considered more suitable to the role. Hepburn was initially upset and walked off the set when informed. The press further played up the fabricated rivalry between Hepburn and Andrews, when the latter won an Academy Award