Who dresses this guy—Jessica Simpson?

Pete Wentz hit Vegas to do a two-hour DJ set at the House Of Blues Ultimate Fighting Championship 86 afterparty this past weekend. That’s right…wrestling, boxing and Pete Wentz. Guess Chris Crocker was busy?

Wife Ashlee Simpson stayed at home for the testoserone-fueled event, which is maybe why gay-mag-lovin’ Pete had the, uh, balls to wear those fall-out-boy-hugging red slacks.

Careful, though, Pete—those UFC guys mean business. While the hat was a classy touch, you’re just lucky you didn’t get an uppercut to the schnozz for those turquoise shoelaces alone.

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