Still looking for inspiration for your Halloween costume this year? The Boombox has assembled a collection of some of R&B and rap's craziest costumes from years past. There are women in leather bodysuits and holy robes and men sporting Roman army gear and pornographic outfits. Musicians like Ciara and Diddy show you how to work it like the best of 'em. Now all you have to do is decide: Trick or treat?