Julia Roberts
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Julia Roberts: We all wanted to impress Meryl Streep

30 December 2013 Last updated at 13:59 GMT

Julia Roberts stars in the film August: Osage County, alongside Meryl Streep, Ewan McGregor and Benedict Cumberbatch.

The film is based on the play which tells the story of a troubled family from Oklahoma brought together over a family crisis.

Roberts revealed how acting alongside Meryl Streep made her want to 'up her game'.