John O'Hurley and Kelly Monoco in "Dancing With the Stars" rematch.

The dance-off will feature each couple performing several styles of dance -- Latin, ballroom and freestyle. Our colorful and animated judges will return to give their critiques, but only viewers' votes will count... America will truly decide the winner of the dance-off. Viewers are invited to weigh in with their votes via phones and the internet immediately following the broadcast on the 20th. . . . . .Full Story