Kristen Stewart stars as Joan Jett in new movie The Runaways
Here's the first pic of Twilight star Kristen Stewart and the rock-chick hairdo she sports for her new movie The Runaways.

Kristen stars in the biopic as rocker Joan Jett, who co-founded LA girl band The Runaways in the mid-70s.

Kristen's long brunette locks, which she wears loose and wavy in the Twilight films, were chopped into Joan's infamous 'shag' hairdo.

Joan Jett made the hairstyle her own, although the look was inspired by glam-rocker Suzi Quatro, who she was obsessed with as a teenager.

Dakota Fanning stars alongside Kristen as band member Cherie Currie, whose novel Neon Angel is the basis for the movie. Also co-starring is model Riley Keough, daughter of Lisa Marie Presley.

The film is released in the US in March and expected to hit UK cinemas later in 2010. Whether Kristen's look in the movie will spark a revival of the shag hairdo remains to be seen!

Kristen Stewart | The Runaways | Beauty news | Now magazine |Celebrity gossip | PicturesDakota Fanning | The Runaways | Beauty news | Now magazine |Celebrity gossip | Pictures

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