Zac Efron Hair Evolution

Zac Efron's Hair Evolution

Highs and Lows

Zac Efron's hair has always been one of his most-popular assets. Since debuting the original Bieber in High School Musical, countless articles (this one included) have focused on every alteration of his follicles: long? short? dirty?

VIDEO: Efron's Red Carpet Condom Drop

But there are never more changes than when Zac's promoting a movie, as he is right now. So check out how many styles he's tried out so far this year.