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In this April 2, 1974, file photo, actor David Niven presents an award as streaker Robert Ope crosses the stage during the 1974 Academy Awards show in Los Angeles.
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A woman in Native American dress who identified herself as Sacheen Littlefeather, tells the audience at the Academy Awards ceremony in Los Angeles March 27, 1973, that Marlon Brando was declining to accept his Oscar as best actor for his role in "The Godfather." Littlefeather said Brando was protesting "the treatment of the American Indian in motion pictures and on televison, and because of the recent events at Wounded Knee."
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In this March 29, 1989, file photo, actor Rob Lowe croons a tune to Snow White during the opening number for the 61st Academy Awards presentation in Los Angeles.
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Jack Palance doing push-ups at the Academy Awards, March 30, 1991. Palance won the Best Supporting Actor Oscar for his performance in "City Slickers."
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Italian director Roberto Benigni is led off the stage by presenter-actress Sophia Loren, right, after winning the Oscar for Best Foreign Language Film for his movie "Life is Beautiful," during the 71st Academy Awards, March 21, 1999, in Los Angeles. To reach the stage he climbed over the seats in the auditorium.
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Actor Robert De Niro portrays boxer Jake La Motta in the movie "Raging Bull." It was a shock when Robert Redford's "Ordinary People" beat out Martin Scorsese's "Raging Bull" for Best Picture.
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Robert De Niro and Ray Liotta in "Goodfellas." It was another shock when when Kevin Costner's "Dances with Wolves" beat Martin Scorsese's "Goodfellas" for Best Picture 10 years after "Raging Bull" lost to "Ordinary People."
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Sally Field celebrates winning the Oscar for Best Actress at the 58th Annual Academy Awards. She won for her work in the 1984 film "Places in the Heart," and her acceptance speech included the misquoted but often-parodied phrase "You like me, you really like me!"
AP Photo/Mark Terrill
Trey Parker, wearing a Jennifer Lopez-style dress, left, and Marc Shaiman, nominated for the song "Blame Canada" from the movie "South Park: Bigger, Longer and Uncut," arrive with Matt Stone, right, also of "South Park," at the Shrine Auditorium in Los Angeles for the 72nd Academy Awards on March 26, 2000.