Eminem and Rihanna have some "crazy" collaborations. So linking up with Rih Rih on The Marshall Mathers LP 2 was a no-brainer, but it was more than just the pop star's powerful vocals on "The Monster" that won over the Rap God. "The perception of the record, what it's saying, I thought it would be a good idea to have her on it because I think people look at us like we're both a little nuts. That's one of the things that I was telling her in making the record: I think that people look at us a little crazy," Eminem told MTV News on Monday, shortly after wrapping a town hall-style interview at his Shade 45 SiriusXM radio station. Hear him explain in the video above.