Dressed as an NYPD officer, the Jonas Brothers singer stops traffic while filming the trio's 3-D movie in New York City. Plus: Nicole Richie, Kate Hudson, John Mayer and more

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ON THE BEAT

Officer Jonas reporting for duty! A radically transformed Joe Jonas (check out that 'stache!) keeps order dressed as an NYPD cop Thursday while filming a scene for the Jonas Brothers' upcoming 3-D concert film. Life is good for the tween sensation, who turns 19 on Friday: The trio's new album, A Little Bit Longer, is already on its way to the No. 1 spot.