Other major winners included Michael Fassbender, Michelle Williams and Albert Brooks, who all won acting awards, and Martin Scorsese, who won best director for "Hugo."
The full list of winners below. Check out a list of all the awards so far this year here.
Best Picture: "The Descendants"
Best Director: Martin Scorsese, "Hugo"
Best Actor: Michael Fassbender, "Shame"
Best Actress: Michelle Williams, "My Week with Marilyn"
Best Supporting Actor: Albert Brooks, "Drive"
Best Supporting Actress: Shailene Woodley, "The Descendants"
Best Adapted Screenplay: "The Descendants"
Best Original Screenplay: "The Artist"
Best Cinematography: "The Tree of Life"
Best Visual Effects: "Rise of the Planet of the Apes"
Best Animated Feature: "The Adventures of Tintin"
Best Documentary: "Project Nim"
Best Foreign Language Film: "The Skin I Live In"