By People Staff
Updated September 24, 2007 12:00 AM

Dancing pro–and fourth season disco-ball champ–Julianne Hough shows her new partner, racecar driver Helio Castroneves, all the right moves on the dance floor. Now Castroneves returns the favor–by taking his partner onto his turf! Watch here as the racecar driver shows the dancing queen the ride of her life on a Chicago raceway.