Derek Hough shocked fans when he shared that he and sister Julianne Hough played Hogwarts students in 2001's Harry Potter and ...

For the first time in the series history, OG pros Derek Hough and Mark Ballas showed viewers ... The dude used to steal my clothes. Like, we’re friends, you know what I mean?

Derek Hough has claimed he stole "a Ravenclaw robe, scarf, tie" and "silverware" from the set of 2001's 'Harry Potter and the Philosopher's Stone'. The 39-year-old actor-and-dancer and his sister ...