Seth Rogen -- Beer-Infused Identification Crisis

If there's one guy on the planet whose youthful, baby-faced radiance makes him look like a minor ... that guy is definitely NOT Seth Rogen -- despite the fact that he got ID'd while buying booze in L.A. yesterday.

0411_seth_rogan_wm_tmz_ex
Seriously, WTF -- the guy's had a beard since he was like 8.