Derek Hough is an American dancer and choreographer. Hough made his first appearance on Dancing with the Stars on season 4 (week 6) as a guest instructor with his sister, Julianne Hough, and Apolo Anton Ohno. He completed 16 seasons, resulting in winning 6 Mirror Balls, the only pro to have done so.
As an actor, Hough starred as Ren in the 2006 original cast production of Footloose: The Musical at the Novelo Theater in London's West End, as well as on the 2006 UK national tour. Hough's West End performance earned him a nomination as The Stuart Phillips London Newcomer of the Year in the Whatsonstage.com Theatregoers' Choice Awards. Hough made two cameo appearances: one in 2001 in the movie Harry Potter and the Sorcerer's Stone and one in 2012 in the movie, Rock of Ages, where his sister Julianne was playing the female role.On February 22, 2014, Hough was part of the "Bust a Move" event for breast health that took place in Ottawa, Canada, where he led a fitness session. During the event, over a million dollars was raised for breast cancer. In 2015, Hough bought a house with Mark Ballas in order to flip it for profit. The process of the home renovation was broadcast as a four episode series on HGTV and was called Mark & Derek's Excellent Flip.