Derek Hough & Shawn Johnson Rate Their 'Crazy' Dancing Competition

Derek Hough & Shawn Johnson Rate Their 'Crazy' Dancing Competition

Derek Hough and Shawn Johnson talk with AccessHollywood.com’s Laura Saltman about their hesitations to join “Dancing with the Stars: All-Stars.” Plus, they talk about how “crazy” the competition is this season. So, do the “Stars” sneak a peek into each other’s rehearsals?