Actress Ellen Page credits her capacity to play a convincing pregnant teen in new movie Juno to studying pregnant mothers in the street.

The Canadian star, 20 - who plays a pregnant 16-year-old student in the black comedy - prepared extensively for the role by reading Pregnancy For Dummies and "watching people waddle," according to New York gossip column PageSix.

Costume designers for the Golden Glome-nominated film also tailor-made an artificial belly for the star, which was strapped to her with tight corset bindings in the back.

She says, "It took some time to make, and I had a lot of fittings for it." (PAW/WNWCPS)

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