Rock legend Joan Jett is stepping away from the stage for a little while after undergoing surgery for a fractured vertebrae. Jett hasn't revealed how the injury happened, but it comes after an incredibly busy few months on the road. Joan Jett has spent decades proving she's one of the toughest performers in music, building a career that spans nearly 50 years and producing some of rock's most iconic anthems. Fans have flooded social media with messages of support, wishing the singer a speedy recovery and hoping she'll be back on stage soon. Because if there's one thing we've learned from Joan Jett over the years, it's this: she may not care about her bad reputation, but right now, her spine is definitely calling the shots.