10:56 p.m.: Jack Nicholson introduces the best picture nominees with a little help from fist lady Michelle Obama, who is on video from the White House. She announcese "Argo" as the winner. It is the third win for "Argo." Director and star Ben Affleck nearly breaks down in tears when giving his acceptance speech.
10:48 p.m.: Daniel Day-Lewis wins best actor for his work in "Lincoln." The award was presented by Meryl Streep.
10:43 p.m.: "Silver Linings Playbook" star Jennifer Lawrence wins the Oscar for best actress, then promptly falls down on her way to accept the award.
10:34 p.m.: Ang Lee wins best director for "Life of Pi," the fourth win of the night for the movie. It is now leading the way in awards, with "Les Miserables" trailing with three.
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10:26 p.m.: Quentin Tarantino wins best original screenplay for "Django Unchained." He ends his acceptance speech with "Peace out."
10:23 p.m.: Chris Terrio wins best adapted screenplay for "Argo." It's the second award for the movie.
10:15 p.m.: Norah Jones sings "Everybody Needs a Best Friend," the song from the movie "Ted," which is up for best original song. But Adele's "Skyfall" wins the award.
10:09 p.m.: The cast of "Chicago" presents the award for best original score to Michael Danna for "Life of Pi."
9:59: George Clooney introduces the "In Memoriam" segment of the show. Ernest Borgnine is the first actor honored. Barbra Streisand gives a tribute to Marvin Hamlisch, singing "The Way We Were."
9:48 p.m.: Daniel Radcliffe and Kristin Stewart presented the award for best production design to "Lincoln."
9:35 p.m.: Adele performs her song from the Bond film "Skyfall."
9:31 p.m.: The Oscar for film editing, presented by Sandra Bullock, is given to William Goldenberg of "Argo." It's the first win for the movie.
9:23 p.m.: Anne Hathaway wins best supporting actress for her role in "Les Miserables." The award is presented by Christopher Plummer.
9:14 p.m.: Mark Wahlberg and Ted from "Ted" present the award for best sound mixing to "Les Miserables." There was a tie for best sound editing, as "Zero Dark Thirty" and "Skyfall." It is the first tie for an Oscar since 1995.
9:03 p.m.: John Travolta presents a montage to movie musicals, featuring Catherine Zeta-Jones and Chicagoan Jennifer Hudson, who gets a standing ovation for singing "And I Am Telling You I'm Not Going," from "Dreamgirls."
The entire cast of "Les Miserables," including Anne Hathaway, Hugh Jackman and Russell Crowe, sings "Suddenly" from the movie.
8:51 p.m.: Jennifer Garner and Jessica Chastain present the best foreign language film to "Amour."
8:43 p.m.: "Argo" director and star Ben Afflek gives the award for best documentary feature to "Searching For Sugar Man."
8:35 p.m.: Shawn Christensen wins best live action short film for "Curfew." The award for best documentary short subject goes to "Inocente."
8:25 p.m.: Halle Berry, a Bond girl herself in "Golden Eye," presents a montage celebrating the music of James Bond films. Shirley Bassey sings "Goldfinger" live.
8:19 p.m.: Jennifer Aniston and Channing Tatum give the award for best costume design to Jacqueline Durran for "Anna Karenina." The award for best makeup goes to Lisa Westcott and Julie Dartnell for "Les Miserables."
8:10 p.m.: Claudio Miranda wins best cinemtography for "Life of Pi." The movie also wins for best visual effects.
7:59 p.m.: Paul Rudd and Melissa McCarthy present the best animated feature film award, which goes to "Brave." Director Mark Andrews accepts the award wearing a kilt. John Kahrs wins best animated short film for "Paperman."
7:50 p.m.: Christoph Waltz wins the first award of the night, as best supporting actor for his role in "Django Unchained." The award is given by Octavia Spencer.