Zac Efron co-hosted the Nickelodeon Kids Choice Awards 2007 in Sydney Australia yesterday with L.A. based Australian musical twins, The Veronica. Efron is in Australia promoting his musical “Hairspray“.

zac nickelodeon

While Efron is cooperative when asked about his knowledge of Aussie slang. he stone-walled the media when it came to the mention of  his co-star and rumored girlfriend, Vanessa Hudgens.

“I never talk about my private life,” Efron said.

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