From PEOPLE Magazine Click to enlarge
If Hollywood really is like high school, then Zac Efron and Vanessa Hudgens are the king and queen of the prom. Not only are the High School Musical 3 stars reigning over the box office—the film nabbed $42 million its first weekend—the duo also whipped up an awesome afterparty: They jetted to Hawaii for a romantic getaway and a pal's wedding.

Efron, 21, and Hudgens, 19, began dating in early HSM days in 2005, and their relationship strengthens by the year. Says HSM director Kenny Ortega: "The chemistry they have has grown big-time."

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