Dancing with the Stars: Meet Season 13's CompetitorsDavid Arquette, Kristin Cavallari, Nancy Grace, Chaz Bono and more will step into the ballroom on Sept. 19


Hubby Billy Baldwin encouraged the singer, 43, to do the show. But she's bracing herself for what lies ahead. "It's terrifying – the idea of getting out there and all these millions of people watching you dance and being judged," she says. "What could be worse?"