Derek Hough’s Can’t Hold Us vs. Julianne Hough’s All About That Bass | Lip Sync Battle [Video]

Get ready for a Brother- Sister Battle Royal with Derek Hough and Julianne Hough. Derek Hough starts the battle out with "Can't Hold Us" by Macklemore & Ryan Lewis feat. Ray Dalton. Julianne Hough appropriately comes back with her own performance of "All About That Bass" by Meghan Trainor. They both are great performers, who do you think won?