The biggest event on the awards calendar, this year's Academy Awards was hotly anticipated and closely contested. Discover who won what at this year's event in the gallery below.
Best Picture
WINNER: The King's Speech
Watch all the trailers for the best film nominations here
Also nominated:
Black Swan
The Fighter
Inception
The Kids Are All Right
127 Hours
The Social Network
Toy Story 3
True Grit
Winter's Bone
Best Actress
WINNER: Natalie Portman (Black Swan)
Also nominated:
Annette Bening (The Kids Are All Right)
Nicole Kidman (Rabbit Hole)
Jennifer Lawrence (Winter's Bone)
Michelle Williams (Blue Valentine)
Best Actor
WINNER: Colin Firth (The King's Speech)
Also nominated:
Javier Bardem (Biutiful)
Jeff Bridges (True Grit)
Jesse Eisenberg (The Social Network)
James Franco (127 Hours)
Best Supporting Actress
WINNER: Melissa Leo (The Fighter)
Also nominated:
Amy Adams (The Fighter)
Helena Bonham Carter (The King's Speech)
Hailee Steinfeld (True Grit)
Jacki Weaver (Animal Kingdom)
Best Supporting Actor
WINNER: Christian Bale (The Fighter)
Also nominated:
John Hawkes (Winter's Bone)
Jeremy Renner (The Town)
Mark Ruffalo (The Kids Are All Right)
Geoffrey Rush (The King's Speech)
Best Director
WINNER: Tom Hooper (The King's Speech)
Also nominated:
Darren Aronofsky (Black Swan)
David O Russell (The Fighter)
David Fincher (The Social Network)
Joel Coen and Ethan Coen (True Grit)
Cinematography
WINNER: Wally Pfister (Inception)
Also nominated:
Matthew Libatique (Black Swan)
Danny Cohen (The King's Speech)
Jeff Cronenweth (The Social Network)
Roger Deakins (True Grit)
Foreign Language Film
WINNER: In a Better World (Denmark)
Also nominated:
Biutiful (Mexico)
Dogtooth (Greece)
Incendies (Canada)
Outside the Law'' (Hors-la-loi) (Algeria)
Best Adaped Screenplay
WINNER: Aaron Sorkin (The Social Network)
Also nominated:
Danny Boyle & Simon Beaufoy (127 Hours)
Michael Arndt (screenplay); John Lasseter, Andrew Stanton and Lee Unkrich (story) (Toy Story 3)
Joel Coen and Ethan Coen (True Grit)
Debra Granik & Anne Rosellini (Winter's Bone)
Everything else...
Visual Effects - Inception
Costume Design - Colleenn Atwood (pictured), Alice in Wonderland
Art Direction - Alice in Wonderland
Documentary Short Film - Strangers No More
Short Film - God Of Love
Documentary Feature - Inside Job
Film Editing - The Social Network
Make-up - The Wolfman
Best Original Song - 'We Belong Together', Toy Story 3
Animated Short Film - The Lost Thing
Animated Film - Toy Story 3
Original Screenplay - David Seidler, The King's Speech
Original Score - The Social Network
Sound Mixing - Inception
Sound Editing - Inception