"I forever will be devastated by the gift of Audrey Hepburn before my camera," said photographer Richard Avedon, who inspired 1956's Funny Face, with Hepburn and Fred Astaire.
Ex-beau William Holden still loved Hepburn when making 1963's Paris When It Sizzles.
"There will never be another like her," said Gregory Peck (with Hepburn in 1953's Roman Holiday, for which she won the Best Actress Oscar).
Hepburn was dressed by lifelong friend Hubert de Givenchy for 1963's Charade with Cary Grant.
Hepburn and Two for the Road (1967) costar Albert Finney reportedly had an offscreen affair.
After spending an entire day soaking while filming The Nun's Story (1959) in the Congo, Hepburn erupted in a smile of relief.
Hepburn (with Rex Harrison) got mixed reviews for 1964's My Fair Lady, and her singing voice was dubbed by Marni Nixon.
In 1966, while shooting How to Steal a Million with Peter O'Toole, Hepburn was trying to hold onto her marriage with Mel Ferrer.
"It was a terrible baptism for her," says costar Sean Connery of 1976's Robin and Marian, "because she hadn't done a film for eight years."
"There was a kind of royalty about her," says Alan Arkin, who stalked a blind Hepburn in Wait Until Dark (1967).
Hepburn hated the Danish pastry she had to eat for Breakfast at Tiffany's (1961).