A closer look revealed that the envelope in Beatty's hand was labeled "Actress in a Leading Role," and not Best Picture.
"I opened the envelope and it said Emma Stone, 'La La Land.' That's why I took such a long look at Faye, and at you.
Things got so combative that they reportedly refused to rehearse walking out together, opting to do so separately instead.
Beatty, 79, ultimately relented and let Dunaway announce the winner, according to TMZ, but that turned out to be bad news for her considering he was given the wrong envelope.
Some of the details of the story are fairly accurately portrayed in the movie, which had its New York premiere on Aug. Hendley says it's true that Bonnie Parker was a waitress bored in a small Texas town who in 1930 found a cure for her wanderlust in Clyde Barrow, who had grown up stealing cars and had already done time in prison.Oscars 2017: 'La La Land,' 'Moonlight' flub overshadows show The rest is history, with Dunaway mistakenly declaring "La La Land" the winner of the night's biggest award instead of the rightful recipient, "Moonlight." Beatty appeared to realize something was wrong after he opened the envelope and paused for several moments before showing the card to Dunaway.The actress quickly blurted out "La La Land" after glancing at the piece of paper. Why It Matters: Long before stylists, costume designers were often the imagemakers behind Hollywood's biggest names when it came to formal occasions.In honor of 's 50th anniversary, Dunaway is expected to return to Sunday's Academy Awards with co-star Warren Beatty (who played Clyde Barrow) to present the best picture Oscar.