3/26 ETonline - Music

Julianne Hough Takes the Stage With Brother Derek's Band March 25, 2009 at 9:54 am Fresh off another "Dancing with the Stars" results show, Derek Hough and Mark Ballas give ET an exclusive look at an L.A. performance of their band, including a surprise appearance by Julianne Hough. Julianne proved to be a crowd favorite when she decided to join the Ballas Hough Band onstage to perform one of her own songs. Watch the video to hear Derek and Mark explain how the band was formed and find out why they love performing for their loyal "Dancing with the Stars" fans.