Alec Mazo and Natalie Coughlin perform on "Dancing with the Stars."
Natalie Coughlin and Alec Mazo perform the Quickstep to "I Want You Back" by the Jackson 5 on "Dancing with the Stars."
Natalie Coughlin and Alec Mazo perform the Salsa to "1+1=2" by Lou Bega on "Dancing with the Stars."
