Cardi B and JT are going at it online following the release of Cardi's diss track about the City Girls rapper on her new album, Am I The Drama?. Source: Prince Williams On the track "Magnet," Cardi B threw a bunch of subliminal shots at an unnamed woman rapper, calling her a "fake friend," who kicked her when she was down. The pair previously collaborated, and while the Bronx native hasn't confirmed who the song is about, a lot of the lyrics seem to point to their complicated history.