The three finalests are all dancing the Cha-CHa-Cha for dancing with the stars.
Paulina Porizkova and Alec Mazo's mambo.
The CHA CHA
Mario and Karina Smirnoff perform the cha-cha-cha on "Dancing with the Stars."
Mario Lopez and his dancing partner, Karina Smirnoff dance the tengo.