I am the happiest director in the world right now, French director Michel Hazanavicious said while receiving the Oscar for his semi-silent film The Artist.

It was Hazanavicius's first Oscar nomination as well as his first win.

The movie portrayed the ups and downs of George Valentin (Jean Dujardin), a silent movie star who came to grips with the rising popularity of talkies.

Here are the winners of the 84th Annual Academy Awards declared so far. The list will be updated as the remaining awards are announced.

Best Picture: The Artist. 

Actor in a Leading Role: Jean Dujardin (The Artist).

Actress in a Leading Role: Meryl Streep (The Iron Lady).

Directing: The Artist (Michel Hazanavicious).

Actor In a Supporting Role: Christopher Plummer (Beginners).

Actress In a Supporting Role: Octavia Spencer (The Help).

Animated Feature Film: Rango (Gore Verbinski).

Cinematography: Hugo (Robert Richardson).

Art Direction: Hugo - Dante Ferretti (Production Design), Francesca Lo Schiavo (Set Decoration).

Costume Design: The Artist (Mark Bridges).

Documentary Feature: Undefeated (TJ Martin, Dan Lindsay and Rich Middlemas).

Film Editing: The Girl with the Dragon Tattoo (Kirk Baxter and Angus Wall).

Foreign Language Film: Iran, A Separation Asghar Farhadi, director.

Makeup: The Iron Lady (Mark Coulier and J. Roy Helland).

Music (Original Score): The Artist (Ludovic Bource).

Music (Original Song): Man or Muppet from THE MUPPETS (Music and Lyric by Bret McKenzie).

Short Film (Live Action): The Shore (Terry George and Oorlagh George).

Documentary Short: Saving Face (Daniel Junge and Sharmeen Obaid-Chinoy).

Short Film (Animated): The Fantastic Flying Books of Mr. Morris Lessmore (William Joyce and Brandon Oldenburg)

Sound Editing: Hugo (Philip Stockton and Eugene Gearty).

Sound Mixing: Hugo (Tom Fleischman and John Midgley).

Visual Effects: Hugo (Rob Legato, Joss Williams, Ben Grossmann and Alex Henning).

Writing (Adapted Screenplay): The Descendants (Screenplay by Alexander Payne and Nat Faxon & Jim Rash).

Writing (Original Screenplay): Midnight in Paris (Written by Woody Allen).

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