Over the course of 90 minutes, the new documentary Bad Reputation chronicles Joan Jett?s roller-coaster life: The high of the Runaways, followed by a messy breakup. D.I.Y. success matched with a major label looking to crush her. Waning popularity paired with a Warped Tour reinvention. Through it all, she?s kept her game face and pushed forward, and in the film, a diverse group of talking heads, including Debbie Harry, Miley Cyrus, Michael J.