Latto popped out at the ATL stop of Mariah The Scientist's Hearts Sold Separately Tour and reminded everyone who the real Big Mama is. Source: Paras Griffin / Getty Dressed in a baby tee that read "It's true. Mariah The Scientist is my BD" and a pair of pink short shorts, Latto brought her usual sexy stage presence to the crowd complete with a little twerk. She even showed off how she may have ended up with that baby bump with a deep drop and bounce before heading off the stage.