Unforgettable Oscar Moments

British-born actress Elizabeth Taylor laughs as she remarks that she was upstaged by streaker Robert Opal before presenting the Oscar for Best Picture at the 46th Annual Academy Awards ceremony, Los Angeles, California, April 2, 1974. At right, Opal darts across the stage naked just as David Niven was introducing Taylor. (Photo by Hulton Archive/Getty Images)

Roberto Benigni Climbs Chairs

Italian actor Robeto Benigni holds his Oscar after winning the Best Performance by an Actor in a Leading Role for his part in the movie "Life is Beautiful" during the 71st Academy Awards 21 March 1999 at the Dorothy Chandler Pavilion in Los Angeles. He walked on chairs and climbed over fellow celebs on his way to receive the award. (ELECTRONIC IMAGE) AFP PHOTO/Timothy A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP via Getty Images)

Bjork Wears A Swan Dress

Icelandic actress and singer Bjork arrives at the 73rd Annual Academy Awards 25 March 2001 at the Shrine Auditorium in Los Angeles, CA wearing a swan dress. Bjork performs and wrote the music for "I've Seen it All" which is nominated for Best Song. AFP PHOTO/Lucy NICHOLSON (Photo by LUCY NICHOLSON / AFP) (Photo by LUCY NICHOLSON/AFP via Getty Images)

Adrien Brody Kisses Halle Berry

Actor Adrien Brody kisses presenter Actress Halle Berry as he accepts his Oscar for Performance by an actor in a leading role for his role in "The Pianist" during the 75th Academy Awards at the Kodak Theatre in Hollywood, California, 23 March, 2003. (Photo credit should read TIMOTHY A. CLARY/AFP via Getty Images)

Phillipe Petit Shows Off His Skills

Performance artist Philippe Petit balances his Oscar in the press room after winning Best Documentary award for 'Man on Wire' at the 81st Annual Academy Awards held at Kodak Theatre on February 22, 2009 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)

Angelina Jolie's Right Leg Goes Viral

Actress Angelina Jolie arrives at the 84th Annual Academy Awards at the Hollywood Highland Center February 26, 2012 in Hollywood, California. Her right leg Oscar look went viral. (Photo by Ethan Miller/Getty Images)

Jennifer Lawrence Falls

Actress Jennifer Lawrence falls while walking on stage after winning the Best Actress award for "Silver Linings Playbook" during the Oscars held at the Dolby Theatre on February 24, 2013 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

John Travolta Misprounces A Name

Actor John Travolta mispronounces Idina Menzel's name onstage during the Oscars at the Dolby Theatre on March 2, 2014 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Face Touching

John Travolta and Idina Menzel present an award on stage at the 87th Oscars February 22, 2015 in Hollywood, California. AFP PHOTO / Robyn BECK / AFP PHOTO / ROBYN BECK (Photo credit should read ROBYN BECK/AFP via Getty Images)

Neil Patrick Harris Shows Up In Underwear

Host Neil Patrick Harris attends the 87th Annual Academy Awards at Dolby Theatre on February 22, 2015 in Hollywood, California wearing his underwear. (Photo by Christopher Polk/Getty Images)

Envelopegate

'La La Land' producer Jordan Horowitz holds up the winner card reading actual Best Picture winner 'Moonlight' with actor Warren Beatty and host Jimmy Kimmel onstage during the 89th Annual Academy Awards at Hollywood & Highland Center on February 26, 2017 in Hollywood, California. (Photo by Kevin Winter/Getty Images)