2010 Sundance Film Festival: Kristen Stewart & Dakota Fanning On Making...

2010 Sundance Film Festival: Kristen Stewart & Dakota Fanning On Making 'The Runaways'

What did Kristen Stewart have to do to prepare herself to play Joan Jett? And why would she have felt like a fraud if Joan hadn’t been on set to coach her? Plus, Dakota Fanning talks about how surreal it was singing the iconic “Runaways” music.