Hayden and Stephen! Zac and Vanessa! Ashlee and Pete! See who's heating up the season. By Aaron Parsley
Credit: Clark Samuels/startraks
Updated: Monday Aug 06, 2007 | 06:00 AM EDT
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High School Musical 2's Vanessa Hudgens helps costar – and boyfriend! – Zac Efron keep cool on a hot day in New York. "We kind of clicked from the very beginning," he told PEOPLE of meeting Hudgens on the set of HSM.
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