Complete List of OSCARS 2012 winners

( to the winners of the 84th Academy Awards! here is the complete list of winners:
Best Picture - The Artist
Actor in a Leading Role - Jean Dujardin (The Artist)
Actress in a Leading Role - Meryl Streep (The Iron Lady)
Actor in a Supporting Role - Christopher Plummer (Beginners)
Actress in a Supporting Role - Octavia Spencer (The Help)
Animated Feature Film - Rango
Cinematography - Hugo
Art Direction - Hugo (Dante Ferreti - Production Design / Francesca Lo Schiavo - Set Decoration
Costume Design - Mark Bridges (The Artist)
Directing - Michel Hazanavicius (The Artist)
Documentary Feature - Undefeated 
Documentary Short - Saving Face
Film Editing - The Girl with the Dragon Tattoo
Foreign Language Film - A Separation (Iran)
Make Up - Mark Coulier and J. Roy Helland (The Iron Lady)
Music (Original Score) - Ludovic Bource (The Artist)
Original Song - "Man or Muppet" by Bren McKenzie (The Muppets)
Animated Short Film - The Fantastic Flying Books of Mr. Morris Lessmore
Live Action Short Film - The Shore
Sound Editing - Philip Stockton and Eugene Gearty (Hugo)
Sound Mixing - Tom Fleischman and John Midgley (Hugo)
Visual Effects - Rob Legato, Josh Williams, Ben Grossman and Alex Henning (Hugo)
Writing (Adapted Screenplay) - Alexander Payne, Nat Faxon and Jim Rash (The Descendants)
Writing (Original Screenplay) - Woody Allen (Midnight in Paris)

The Artist bagged 5 awards in total tied with HugoThe Iron Lady with 2 awards. Christopher Plummer received his first Oscar at the age of 82 making him the oldest person to receive the golden statue.