EXCLUSIVE! Simon Rex Shows Off His Dirt Nasty, Free-Style Rapping Skillz!

Talk about a TREAT! Yesterday, we were delighted to show you all PerezHilton.com's EXCLUSIVE interview with Simon Rex, who stars in the just-released Scary Movie 5 and spilled all sorts of fun details on Charlie Sheen, Lindsay Lohan, and Ashley Tisdale! However, you may have noticed that he brought up his rapping alter-ego, Dirt Nasty, who performs