Two of the greatest dancers in the world, Derek and Julianne Hough, were here to perform a brother/sister duet just for Ellen.
Julianne Hough - That Song In My Head
Julianne Hough Helps Jimmy Find a Go-To Dance Move
Hélio Castroneves & Julianne Hough - Rumba
Julianne Hough dancing workout
Julianne and Derek Hough performing the Jive