The Artist leads the pack at the Oscars Silent movie The Artist has picked up some of the biggest gongs at this year's Oscars, with the awards for best picture, best director and best actor for Jean Dujardin. Meryl Streep received the third Oscar of her career at the ceremony, winning the award for best actress for her portrayal of Margaret Thatcher in The Iron Lady. The actress, who has already won a Golden Globe and a Bafta for the role, thanked her husband and also her friend, J Roy Helland, who picked up the make-up award earlier in the night. She said: "I really want to thank all my colleagues, all my friends, I look out here and see my life before my eyes." Christopher Plummer received the award for best supporting actor for his role in Beginners, while The Help's Octavia Spencer picked up best supporting actress. The full list of winners: Best actor: Jean Dujardin - The Artist Best actress: Meryl Streep - The Iron Lady Supporting actor: Christopher Plummer - Beginners Supporting actress: Octavia Spencer - The Help Adapted screenplay: The Descendants Original screenplay: Midnight In Paris Directing: The Artist - Michel Hazanavicius Animated feature film: Rango Art direction: Hugo Cinematography: Hugo Costume design: The Artist Documentary (feature): Undefeated Documentary (short subject): Saving Face Film editing: The Girl With The Dragon Tattoo Foreign language film: A Separation (Iran) Make-up: The Iron Lady Music (original score): The Artist - Ludovic Bource Music (Original Song): Man Or Muppet (The Muppets) Short film (animated): The Fantastic Flying Books Of Mr Morris Lessmore Short film (live action): The Shore Sound editing: Hugo Sound mixing: Hugo Visual effects: Hugo