Meryl Streep takes Oscar for her role as Maggie Thatcher in Iron Lady

BEST PICTURE: The Artist
Best actress: Meryl Streep, The Iron Lady
Best actor: Jean Dujardin, The Artist
Best director: Michel Hazanavicius, The Artist
Best cinematography: Hugo
Best set design: Hugo
Best costume design: The Artist
Achievement in makeup: The Iron Lady
Best foreign film: A Separation
Best sound editing: Hugo
Best supporting actress: Octavia Spencer, The Help
Best documentary: Undefeated
Best animated feature: Rango
Best visual effects: Hugo
Best supporting actor: Christopher Plummer, Beginners
Best original score: Ludovic Bource, The Artist
Best original song: Man or Muppet, Bret McKenzie
Best adapted screenplay: Alexander Payne and Nat Faxon & Jim Rash, The Descendants
Best original screenplay: Woody Allen, Midnight in Paris
Best short film, live action: The Shore
Best film editing: The Girl with the Dragon Tattoo
Best documentary short: Saving Face
Best animated short: The Fantastic Flying Books of Mr. Morris Lessmore

Meryl Streep as Margaret Thatcher in the movie IRON LADY