List of 84th Academy Award winners:

1. Best Picture: The Artist

2. Actor: Jean Dujardin, The Artist

3. Actress: Meryl Streep, The Iron Lady

4. Supporting Actor: Christopher Plummer, Beginners

5. Supporting Actress: Octavia Spencer, The Help

6. Directing: Michel Hazanavicius, The Artist

7. Foreign Language Film: A Separation, Iran

8. Adapted Screenplay: Alexander Payne, Nat Faxon and Jim Rash, The Descendants

9. Original Screenplay: Woody Allen, Midnight in Paris

10. Animated Feature Film: Rango

11. Art Direction: Hugo

12. Cinematography: Hugo

13. Sound Mixing: Hugo

14. Sound Editing: Hugo

15. Original Score: The Artist

16. Original Song: Man or Muppet from The Muppets

17. Costume Design: The Artist

18. Documentary Feature: Undefeated

19. Documentary Short: Saving Face

20. Film Editing: The Girl With the Dragon Tattoo

21. Makeup: The Iron Lady

22. Animated Short Film: The Fantastic Flying Books of Mr. Morris Lessmore

23. Live Action Short Film: The Shore

24. Visual Effects: Hugo