8 February 2012 Last updated at 10:58
The best acceptance speeches and quotes from the big night
Colin Firth on how he perfected a stammer in The King's Speech
How Natalie Portman trained for ballet thriller Black Swan
Will it be second time lucky for Oscar-nominated Melissa Leo?
Winter's Bone director Debra Granik's Oscar hopes
King's Speech cinematographer Danny Cohen explains his craft
Why sci-fi's Oscar chances are as remote as ever
Why True Grit is the Coen brothers' biggest hit
The diverse and eclectic career of actress Amy Adams
Nicole Kidman on playing a bereaved mother in Rabbit Hole
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