Front runner Jeff Bridges scooped the prize for Best Actor, thanks to his impressive turn as a washed-up country singer in Crazy Heart. Since this year marks his fifth nomination, everyone was excited to see the talented actor win the top honor -- especially when he thanked his mom and dad for teaching him to love showbiz.
Christoph Waltz took home an Oscar for his critically-acclaimed performance in Quentin Tarantino's Inglourious Basterds. No surprise here: Waltz was widely considered the front runner for the prize, and he already won BAFTA, Critics' Choice, SAG and Golden Globe awards for the role.
Mo'Nique took the top honor in this category for her turn as an abusive mother in Precious, which didn't surprise anyone who's been following her awards season performance. She already took home the SAG, Critics' Choice and Golden Globe prizes for the same role.
Fan favorite Up took the prize in this category, proving it's hard to beat Pixar when it comes to animation. The film beat out other heavy hitters like Coraline and The Princess and the Frog for the award.
BEST ORIGINAL SCREENPLAY
Writer Mark Boal won this award for his highly-praised screenplay The Hurt Locker, which was nominated for an impressive nine Academy Awards. But the news isn't all good for Boal: He and the film's director Kathryn Bigelow were recently sued for stealing the story from a real-life Sergeant.
BEST ADAPTED SCREENPLAY
It's an upset! Precious: Based on the Novel PUSH by Sapphire writer Geoffrey Fletcher took this award, though Jason Reitman's Up in the Air was considered the front runner.
BEST SOUND EDITING
The Hurt Locker's Paul NJ Ottosson won this award for his work on the film, beating out heavy hitters like Avatar and Inglourious Basterds.
Ryan Bingham and T-Bone Burnett won this prize for their song "The Weary Kind," featured in the film Crazy Heart. Fun fact: Ryan Bingham is also the name of George Clooney's character in another of this year's hit films, Up in the Air.
BEST ART DIRECTION
Rick Carter and Robert Stromberg of Avatar took this award for achievement in art direction, while the film's set decorator Kim Sinclair also won in his category.
BEST MAKEUP
Star Trek's Barney Burman, Mindy Hall and Joel Harlow won the top honor for their work on the film, beating out the teams behind Il Divo and The Young Victoria for the award.
BEST COSTUME DESIGN
Sandy Powell has already won two Academy Awards for her work in costume design, but she took a third prize in 2010 for The Young Victoria
Up composer Michael Giacchino won an Oscar for his work on the film, in addition to the Golden Globe, BAFTA and Grammy awards he already took home this year.
BEST FILM EDITING
The Hurt Locker's Chris Innis and Bob Murawski sweeped this prize, giving the film a healthy boost over its main rival Avatar. These two also won Critics' Choice awards for their work on the movie.
BEST DOCUMENTARY SHORT
Roger Ross Williams accepted the award for Best Documentary Short for his film Music by Prudence, about a disabled African woman with a talent for singing. He began to make a speech, but his co-winner Elinor Burkett butted in and finished it for him. Oops.
BEST LIVE ACTION SHORT
Joachim Back and Tivi Magnusson's short film The New Tenants took this prize, thanks to their movie, which has been described as "unexpectedly romantic."
BEST VISUAL EFFECTS
These members of the Avatar team accepted the prize for Best Visual Effects, which probably surprised no one. Considering the revolutionary motion-capture techniques created by the film's talent, they were a shoo-in for this award.
BEST DOCUMENTARY FEATURE
Fisher Stevens and Louie Psihoyos accepted the award for Best Documentary Feature for The Cove, about the killing of dolphins in Japan.