Mix Madness 2019: 'Waterfalls' vs. Oops!... I Did It Again'

Round Two puts TLC's "Waterfalls" against Britney Spears' "Oops! I Did It Again!"

Who moves on? Who goes home? YOU decide!

Vote below -- and check out all the matchups in the Mix Madness 2019 tournament before the championship on Apr. 8!

The results of this poll are not available.