Bensen, Stabler, Fin and 2 Chainz? If you recognize that one of these things is not like the others, congratulations, not only are you a big 'Law & Order: SVU,' fan, but you have excellent deduction skills!

The 'I'm Different' rhyme-slinger, who looks to be bulking up his acting résumé after his brief cameo on the CBS sitcom '2 Broke Girls,' will make a guest appearance on 'Law & Order: SVU.' 2 Chainz took to his Instagram to post pictures from his time on the set, and they do not dissapoint!

While we don't know much about the 'No Lie' rapper's character, we do know that his name will be Calvin 'Pearlie' Jones and he could be toting a gun, as evidenced by a picture with Ice T. Or they were just getting, shall we say, creative with some props? 2 Chainz also posted a picture of himself posing with 'SVU' star Mariska Hargitay, with the caption, "My new boo!" Don't tell Mariska's hubby!

What do you think 2 Chainz's next acting role will be? An endorsement for Yoplait? A recurring character on 'Mad Men'? A major role in 'Pretty Little Liars'? It could be anything! This guy keeps us on our toes!

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Instagram

Watch the 2 Chainz 'I'm Different' Video