Sexiest Man Alive 2008

Who's Got the Sexiest Hair? Vote!

From McDreamy's waves to Shia's slick locks, see their smokin' styles, then tell us who's hottest of all. By Aaron Parsley and Cara Lynn Shultz

BIG BANG THEORY

Zac Efron has perfected the popular shaggy do, with choppy, sideswept bangs that fall right above his baby blues – making him too cool for School.