There's something inherently hot about a girl in a band. And when that girl is a babe before she straps on the guitar, you really have something special. But rocker girls aren't for everyone; some guys would rather their female performers take part in well-choreographed dances while wearing spandex suits and hands-free mics. While those guys can have their Britneys and Katy Perrys, we'll take an indie girl in plaid and tats.