Week four's performances include the Argentine tango and the Lindy Hop.
Holly Madison
Steve Wozniak
David Alan Grier
Steve-O
Lawrence Taylor
Chuck Wicks
Lil' Kim
Ty Murray
Gilles Marini
Shawn Johnson
Driton 'Tony' Dovolani
Dmitry Chaplin
Chelsie Hightower
Melissa Rycroft
Karina Smirnoff
Kym Johnson
Lacey Schwimmer
Edyta Śliwińska
Julianne Hough
Derek Hough
Cheryl Burke
Mark Ballas
