Nicki Minaj had herself a busy day on Twitter. The rap star has a long history of getting mad at people online, and this time her target was past collaborator Jay-Z. In a long series of Twitter posts, ...

Beyoncé Knowles' mother, Tina Knowles, trolled Nicki Minaj on Instagram after her heated X rant, accusing rap mogul Jay-Z of owing her a lot of money.