After weeks of rehearsals, costume fittings and a dramatic change in her hair cut and color, Kristen Stewart began shooting The Runaways on Monday in Los Angeles. Kristen stars as the iconic rock chick Joan Jett in the story of the all-girl 1970s band. Dakota Fanning costars as The Runaways lead singer Cherie Currie. This is the second flick for Kristen and Dakota. The actresses met and bonded during the making of The Twilight Saga: New Moon which comes out November 20.