Jenna Dewan s Daughter Was a Tough Judge on Derek Hough

Jennifer Lopez, Derek Hough, Ne-Yo, and Jenna Dewan chatted with Ellen about "World of Dance," and Jenna revealed her daughter was a tough dance judge on "Dancing with the Stars" pro Derek Hough. Plus, the "Step Up" star thanked friends and fans for their support after announcing her split from Channing Tatum.