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PETE WENTZ

Fall Out Boy's bass player Pete Wentz, 27, shares his "guy-liner" tips. "I get a ton of under-eye circles because I don't sleep. Usually I'll just put on more eye makeup and let it blur in."

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Pete's Guide to Guy-liner
STEP 1: Underline your lower lid and above the eye with MAC charcoal liner.

STEP 2: Use your finger or a brush and smudge.

STEP 3: If you want to get creative, add eye shadow.