Pre-Sundance, we were looking at Welcome To The Rileys as the film that would nudge Kristin Stewart out of the Twilight vampire ghetto, but post the festival Floria Sigismondi's rock-band biopic looks just as likely an escape route.

Fang-fodder Stewart leather-trousers-up to play Joan Jett opposite Dakota Fanning's Cherie Curie in this clocked up to 11 story of the titular all-girl 1970s rock band. She sings, she does drugs, she has sex with lay-dees and she pees on guitars. What more could you want?