MTO EXCLUSIVE: Cardi B Takes Shots DIRECTLY At Nicki Minaj . . . "I Know You Want Me OUT Of Here' . . . 'I'm Gonna Be On Your Azz' !!!(Cardi Is WITH The SH*TS)

The Cardi B and Nicki Minaj beef just went UP A NOTCH.

This week - we're told that Nicki Minaj was ASKED to perform at the Grammys along with Migos and Cardi - to their hit song "MOTORSPORT."

Nicki TURNED THEM DOWN and gave a generic answer. Officially, Nicki's people said they have "no problem" with Cardi.

Well Cardi released this video shortly after learning that Nicki REFUSED to perform with her.

https://www.youtube.com/watch?v=3EUnXzLJXfQ