When Druski, Kai Cenat, and Kevin Hart link up to stream you can expect no chill. Well, it looks like things went a lil' too far as Kai and Kevin decided to hit up Druski's ex, Rubi Rose, during Kai's 'Mafiathon 3' livestream. Here's what went down. RELATED: Whew! Druski Addresses Rubi Rose's Claims About Their Relationship Allegedly Being A PR Stunt Druski Crashes Out After Kai Cenat & Kevin Hart Call Rubi Rose During Livestream Kai Cenat linked up with Kevin Hart and Druski for his 'Mafiathon 3′ stream, and chile, they were cutting up.