Happy birthday Joan Jett! The Rock and Roll Hall of Fame inductee is acknowledged as an inspiration for the feminist-punk riot-grrrl movement. "It goes back to that thing about not being bullied, not being told what to do," she told us in 2015. "In fact, if you tell me what to do, I'm gonna put up a wall just because you tell me to do it." Learn more about her at RollingStone.com. Photo by Mark Weiss.