This Hollywood phenomenon has acquired a devoted female fanbase that has rapidly climbed to an astounding high.

So what is it about Robert that makes him such a ladies' man?  Those smoldering eyes?  That mouthwatering pucker?  Or maybe it's that mess of a hairdo!

Robert's tousled hair thing rises above the slightly rumpled norm of a typical Hollywood hottie.  Girls everywhere across the Internet are preferring the rugged look that Robert is master of.

The Twilight star is bent on keeping his fans pleased!  He never goes anywhere with even one hair in place!

Check out the gallery to see Robert looking amazingly and wonderfully messy!