Here is the full list of winners at the 81st Academy Awards, which have been held in Los Angeles.
Best picture: Slumdog Millionaire
Also nominated: The Curious Case of Benjamin Button; Frost/Nixon; Milk; The Reader

Sean Penn shook as he used a scrap of paper to thank people for his award

Best director: Danny Boyle - Slumdog Millionaire
Also nominated: Stephen Daldry - The Reader; David Fincher - The Curious Case of Benjamin Button; Ron Howard - Frost/Nixon; Gus Van Sant - Milk
Best actor: Sean Penn - Milk
Also nominated: Richard Jenkins - The Visitor; Frank Langella - Frost/Nixon; Brad Pitt - The Curious Case of Benjamin Button; Mickey Rourke - The Wrestler
Best actress: Kate Winslet - The Reader
Also nominated: Anne Hathaway - Rachel Getting Married; Angelina Jolie - Changeling; Melissa Leo - Frozen River; Meryl Streep - Doubt
Best supporting actor: Heath Ledger - The Dark Knight
Also nominated: Josh Brolin - Milk; Robert Downey Jr - Tropic Thunder; Philip Seymour Hoffman - Doubt; Michael Shannon - Revolutionary Road
Best supporting actress: Penelope Cruz - Vicky Cristina Barcelona
Also nominated: Amy Adams - Doubt; Viola Davis - Doubt; Taraji P Henson - The Curious Case of Benjamin Button; Marisa Tomei - The Wrestler
Best original screenplay: Milk
Also nominated: Happy-Go-Lucky; Wall-E; In Bruges; Frozen River
Best adapted screenplay: Slumdog Millionaire
Also nominated: The Curious Case of Benjamin Button; Doubt; Frost/Nixon; The Reader
Best animated feature film: Wall-E
Also nominated: Bolt; Kung Fu Panda
Best animated short film: La Maison en Petits Cubes
Also nominated: Lavatory - Lovestory; Oktapodi; Presto; This Way Up
Best foreign language film: Departures - Japan
Also nominated: Revanche - Austria; The Class - France; The Baader Meinhof Complex - Germany; Waltz With Bashir - Israel
Best documentary feature: Man on Wire
Also nominated: The Betrayal; Encounters at the End of the World; The Garden; Trouble The Water
Best documentary short subject: Smile Pinki
Also nominated: The Conscience of Nhem En; The Final Inch; The Witness - From the Balcony of Room 306
Art direction: The Curious Case of Benjamin Button
Also nominated: Changeling; The Dark Knight; The Duchess; Revolutionary Road
Costume design: The Duchess
Also nominated: The Curious Case of Benjamin Button; Australia; Milk; Revolutionary Road
Make-up: The Curious Case of Benjamin Button
Also nominated: The Dark Knight; Hellboy II: The Golden Army
Cinematography: Slumdog Millionaire
Also nominated: The Curious Case of Benjamin Button; Changeling; The Dark Knight; The Reader
Best live action short film: Spielzeugland (Toyland)
Also nominated: Auf der Strecke (On The Line); Manon on the Asphalt; New Boy; The Pig
Visual effects: The Curious Case of Benjamin Button
Also nominated: The Dark Knight; Iron Man
Sound editing: The Dark Knight
Also nominated: Iron Man; Wanted; Slumdog Millionaire; Wall-E
Sound mixing: Slumdog Millionaire
Also nominated: The Curious Case of Benjamin Button; The Dark Knight; Wanted; Wall-E
Film editing:Slumdog Millionaire
Also nominated: The Curious Case of Benjamin Button; The Dark Knight; Frost/Nixon; Milk
Best original score: Slumdog Millionaire
Also nominated: The Curious Case of Benjamin Button; Defiance; Milk; Slumdog Millionaire; Wall-E
Best original song: Jai Ho - Slumdog Millionaire
Also nominated: Down To Earth - Wall-E; O Saya - Slumdog Millionaire