From Wikipedia: The game features stars including Mel B, Apolo Anton Ohno, Joey Fatone and Jennie Garth and new professional dancers including Derek Hough and his sister Julianne Hough. The Wii version improves on the original with refined Wii Remote and Nunchuk controls. Other additions include new special "flair" moves. The Nintendo DS version features changeable outfits and swappable partners.