Derek Hough Reveals the 'Dancing With the Stars' Season 30 Contestant He Has His Eye On (Exclusive)

Derek Hough reveals to ET which contestant is the one to watch on season 30 of ‘Dancing with the Stars.’ ET spoke with the former dancing pro at the iHeartRadio Music Festival in Las Vegas. He is returning to the ballroom as a judge. The new season of ‘Dancing With the Stars’ premieres Sept. 20 on ABC, while the iHeartRadio Music Festival airs Oct. 2 and Oct. 3 on The CW.