Zac and Vanessa hit Japan

Zac Efron keeps his arm wrapped around his on-and-off-screen leading lady Vanessa Hudgens during the High School Musical 3: Senior Year premiere at Shinagawa Stellar Ball at the Prince Hotel in Tokyo, Japan.
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Vanessa, 20, rocked out a nude-colored floral rosette-detail dress from Moschino.

Zac looked smart and preppy in a suit that he'd paired with a skinny tie that looks weirdly cutoff!