In 2017 , Beatty reunited with his '' Bonnie and Clyde '' co-star Faye Dunaway at the 89th Academy Awards , in celebration of the film 's 50th anniversary . After being introduced by Jimmy Kimmel , they received a standing ovation as they walked out onto the stage to present the Best Picture Award . They had the wrong envelope , leading Dunaway to incorrectly announce '' La La Land '' as Best Picture , instead of the actual winner , '' Moonlight '' . This became a social media sensation , trending all over the world . In 2018 , Beatty and Dunaway returned to present Best Picture at the 90th Academy Awards , earning a standing ovation upon their entrance , making jokes about the previous year 's flub . Without incident , Beatty announced '' The Shape of Water '' as the winner
89th Academy Awards
89th Academy Awards
Warren Beatty