Frankie Muniz Reveals His Big DWTS Advantage

YH crashes Frankie Muniz's "Dancing with the Stars" rehearsal with his pro partner Witney Carson to learn a little Cha-Cha and find out how the actor-turned-race car driver was able to overcome a serious injury to compete successfully! He also reveals the worst habit Witney had to break him of, plus he reveals the advantage that other race car drivers like former champ Hélio Castroneves have when hitting the dance floor!