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The singer has fun at a Nickelodeon show. Plus: J.Lo & Marc, Jake Gyllenhaal and more

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DOWN-UNDER FUN

While in Sydney on Thursday to promote his album What's Left of Me, Nick Lachey makes the most of his visit – popping by the city's famed Opera House and getting chummy with a friendly rodent at the Nickelodeon Australian Kids' Choice Awards nominations event.

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