Which Celeb Tattooed His Friend's Face on Himself?

The rocker dad shows off new ink he got on a dare...Who's the tattooed dude?

Here's an example of why you shouldn't make bets that involve your body.

This rocker, who's also a dad to a baby boy, lost a gamble with a fellow musician and had to get a tattoo of his friend's face on his leg.

The tattooed dude already has lots of ink as it is, but will his famous wife appreciate this fight for skin space?

Find out who's got a face on his leg after the jump...

It's Pete Wentz, with a tattoo of Cobra Starship's Gabe Saporta (also pictured).

And even the Fall Out Boy bassist will admit it's not the best-looking tattoo.

"my head hurts," Pete Tweeted. "i was buzzed lightyear last night. followed thru on a gentlemens bet w/@gabrielsaporta now i have 1 more bad tattoo."

The ink reads: "Gabey baby made me go bad," in an obvious homage to their hit song "Good Girls Go Bad."

What do you think of his new tat? And more importantly what will Ashlee Simpson-Wentz think? As if the former Melrose Place star needs any more bad news right now...