

Billy Crystal, host of the 84th Academy Awards held Feb. 26 in Hollywood, Calif., performs his opening song. Mark J. Terrill/AP
Meryl Streep, who won Best Actress for 'The Iron Lady,' and Jean Dujardin, who won Best Actor for 'The Artist,' pose with their Oscars during the 84th Academy Awards in Los Angeles. Joel Ryan/AP
Jennifer Lopez (l.) and Cameron Diaz present an award during the 84th Academy Awards. Mark J. Terrill/AP
Actor George Clooney, nominated for Best Actor, signs autographs for fans as he arrives before the 84th Academy Awards. Matt Sayles/AP
Christopher Plummer (l.) and Max von Sydow arrive before the 84th Academy Awards. Both were nominated for Best Supporting Actor. Plummer won. Matt Sayles/AP
Jean Dujardin holds Uggie after accepting the Oscar for Best Picture for 'The Artist' during the 84th Academy Awards. Mark J. Terrill/AP
Host Billy Crystal speaks onstage during the 84th Academy Awards. Mark J. Terrill/AP
Zach Galifianakis (r.) and Will Ferrell present an award during the 84th Academy Awards. Mark J. Terrill/AP
The cast of 'The Artist' pose backstage after the film won the Oscar for Best Picture at the 84th Academy Awards on Feb. 26. Mike Blake/Reuters
From left: producer Thomas Langmann, actor Jean Dujardin, director Michel Hazanavicius, James Cromwell, Berenice Bejo, Penelope Ann Miller, and Missy Pyle, with dog, Uggie, hold their Oscars backstage after 'The Artist' won Best Picture at the 84th Academy Awards. Mike Blake/Reuters
Michelle Williams arrives before the 84th Academy Awards. She was nominated for Best Actress for 'My Week with Marilyn.' Amy Sancetta/AP
Asghar Farhadi, from Iran, poses with his award for Best Foreign Language Film for 'A Separation' during the 84th Academy Awards. Joel Ryan/AP
Brandon Oldenburg (l.) and William Joyce jump with their awards for Best Animated Short Film for 'The Fantastic Flying Books of Mr. Morris Lessmore,' during the 84th Academy Awards. Joel Ryan/AP
Actor Brad Pitt and actress Angelina Jolie walk the red carpet before the 84th Academy Awards Feb. 26. Joel Ryan/AP
The cast of 'Bridemaids,' from left, Wendi McLendon-Covey, Ellie Kemper, Kristen Wiig, Maya Rudolph, Melissa McCarthy, and Rose Bryne, present the Oscar for Live Action Short Film. Gary Hershorn/Reuters
Esperanza Spalding sings as a portrait of Whitney Houston is displayed on the screen during the memorial segment of the 84th Academy Awards. Gary Hershorn/Reuters
Presenter Tom Cruise poses for photographers with producer Thomas Langmann, whose film 'The Artist' won the Best Picture Oscar during the 84th Academy Awards. Mike Blake/Reuters
Jessica Chastain (l.) and Milla Jovovich arrive before the 84th Academy Awards. Chris Pizzello/AP
Penélope Cruz arrives before the 84th Academy Awards. Matt Sayles/AP
Emma Stone arrives before the 84th Academy Awards. Chris Carlson/AP
Melissa McCarthy, Best Supporting Actress nominee for her role in 'Bridesmaids,' and her husband, Ben Falcone, arrive at the 84th Academy Awards. Lucy Nicholson/Reuters
Best Supporting Actress Octavia Spencer (l.), from 'The Help,' and Best Actress Meryl Streep, for 'The Iron Lady,' attend the Governor's Ball for the 84th Academy Awards in Hollywood, Calif. Lucy Nicholson/Reuters
From left, Best Supporting Actress nominee Octavia Spencer and 'The Help' director Tate Taylor, Best Actress nominee Viola Davis, Best Actor nominee George Clooney, and Stacy Keibler arrive at the 84th Academy Awards in Hollywood, Calif. Lucas Jackson/Reuters