What better way to round out the week with a dorky yearbook photo of a now famous rock star. Put on your rock 'n' roll thinking caps and take a guess to figure out which musician is pictured above.

As always here are some clues: The adorable, geeky kid above is now a very successful member of a multi-platinum rock band. He is also a tattoo enthusiast. That's all the info you get. Click below to find out the rocker in this yearbook photo: