Watch Joe Perry's Return to Hollywood Vampires

Nearly two weeks after Joe Perry collapsed backstage during a concert in Brooklyn, the guitarist returned to the Hollywood Vampires Friday for the band's gig in Rohnert Park, California."Joe is back!," the supergroup proclaimed on Twitter Thursday, trumpeting the return of their guitarist who missed five concerts plus a charity performance after dealing with a serious bout of "dehydration and exhaustion." At that Brooklyn concert July 10th, video caught Perry stumbling offstage after o