Saoirse Ronan on her acne during Lady Bird filming

Saoirse Ronan has said it was important to her not to cover up her acne in her new film Lady Bird because it "represents teenagers as they actually are".

The Irish star, 23, has received her third Oscar nomination for her portrayal of a teenage girl growing up in Sacramento, California, in 2002.

She said she was asked to keep her make-up covering up her breakouts to a minimum by the film's director Greta Gerwig, who has become the fifth female director to score an Oscar nomination.

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