Nicki Minaj recently blocked Cardi B on all social media after Cardi allegedly threatened her in the DM's according to close sources. The threats happened about a week ago. A friend of Nicki told MTO News "Cardi likes to talk tough in the DMs. Nicki wasn't afraid or anything. Just didn't want to have that bird (Cardi) in her DMs." In the tweet below you can see Cardi responding after being blocked.