Derek Hough Joins Julianne for Sia Dance on 'DWTS' Finale (Video)

Derek Hough Joins Julianne for Sia Dance on 'DWTS' Finale (Video)

Derek Hough gets dipped by his sister Julianne for their performance on Dancing With the Stars‘ season finale on Tuesday (May 19) in Los Angeles.

The brother-sister duo was joined on stage by a younger pair and they all coordinated their dance moves with each other while Sia sang her latest single “Elastic Heart” on the side of the stage.

PHOTOS: Check out the latest pics of Julianne Hough

Make sure to find out who won this season of Dancing With the Stars.

Julianne & Derek Hough Perform with Sia on ‘DWTS’ Finale!
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