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


"So excited to be part of the #DWTS cast for season 13!" the author, celebrity stylist and designer Tweeted of the news he's joining the cast. "I'm gonna kick nancy graces butt."

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