Janet Jackson July 21, 2017 10:11 pm ‘Tonight': Jenna Dewan Tatum Teaches Jimmy the ‘Tatum Body Roll' “World of Dance” host and mentor Jenna Dewan Tatum shares the time she fell off a stage while backup dancing for Janet Jackson’s All for You tour. US & World Videos 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South 0:48 World Central Kitchen to resume operations in Gaza 3:26 Confrontations occur at UCLA campus amid ongoing protests 0:57 Fights break out at UCLA between pro-Palestinian, pro-Israel supporters 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie