Birth Dating: Who’s Older? John Mayer Or Jeremy Jackson?

Pussyhounds John Mayer and Jeremy Jackson are both celebrating their birthday today. But can you guess which one is older? Is it the wunderkind guitarist knee-deep in Rolling Stone cover models, or the former Baywatch star scared shitless over a sex tape? Find out after the jump!

Don’t let that meth face throw you off! John Mayer is three years older than Jeremy Jackson. And Jennifer Aniston is no cougar: Mayer’s not even a decade younger than his off-and-on (or in-and-out, rather) girlfriend.

[Photos: WireImage/FilmMagic]