The King's Speech and Black Swan lead the way, but other great performances were honoured as well.
And the Oscar winners are
Best Picture: The King's Speech.
Actor: Colin Firth, The King's Speech.
Actress: Natalie Portman, Black Swan.
Supporting Actor: Christian Bale, The Fighter.
Supporting Actress: Melissa Leo, The Fighter.
Directing: Tom Hooper, The King's Speech.
Foreign Language Film: In a Better World, Denmark.
Adapted Screenplay: Aaron Sorkin, The Social Network.
Original Screenplay: David Seidler, The King's Speech.
Animated Feature Film: Toy Story 3.
Art Direction: Alice in Wonderland.
Sound Mixing: Inception.
Sound Editing: Inception.
Original Score: The Social Network, Trent Reznor and Atticus Ross.
Original Song: We Belong Together from Toy Story 3, Randy Newman.
Costume Design: Alice in Wonderland.
Documentary Feature: Inside Job.
Documentary (short subject): Strangers No More.
Film Editing: The Social Network.
Make-up: The Wolfman.
Animated Short Film: The Lost Thing.
Live Action Short Film: God of Love.
Visual Effects: Inception.