"I don't usually have firsts in my career. That was a first and hopefully a last," Rimes said. LeAnn Rimes knows the show must go on ... even if her teeth fall out. The country artist revealed on ...

LeAnn Rimes knows the show must go on ... even if her teeth fall out. The country artist revealed on Sunday that she lost her teeth mid-song during a concert, and she spent the rest of the performance ...