Hepburn would go on to score an Oscar nomination for Breakfast at Tiffany's. And ironically enough, she and MacLaine would costar in MacLaine's follow-up to The Apartment and Hepburn's very next film, 1961's The Children's Hour. In the book, MacLaine says she "adored" working with Hepburn.

Shirley MacLaine nearly starred in Breakfast at Tiffany’s — and still has “never” seen the 1961 rom-com. In the Terms of Endearment star’s new book The Wall of Life: Pictures and Stories from This Marvelous Lifetime,

Kaia Gerber had her “My Fair Lady” moment in a vintage gown at the Academy Museum Gala as she channeled Audrey Hepburn’s character, Eliza Doolittle, from the 1964 film. Gerber is no stranger to the fashion industry partly due to her supermodel mom,

The “On the Floor” singer wore a ladylike cashmere sweater and lace-up ballet flats, both by Dior, for a day out in Calif.

Some fashion girls say they have Audrey Hepburn's dresses from My Fair Lady on their mood board. Others are Kaia Gerber, and can wear rare vintage Givenchy couture that references the eternal style icon's equally monumental 1964 film wardrobe.