Hollywood's youngest leading men – Zac! Pete! – are rocking this hot hair trend. By Munmun O'Neill
Credit: Clark Samuels/startraks
Updated: Thursday Aug 09, 2007 | 06:00 AM EDT
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Party in the front and party in the back! The Jonas Brother keeps his hair long and a little shaggy for an unkept hipster look that drives his legions of female fans wild.
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