Star Traks

DEAR 'DIARIES'
Scarlett Johansson takes a stroll Wednesday on the New York City set of The Nanny Diaries. But her work wasn't welcome last week at Columbia University: Annoyed students yelled "Go back to Hollywood!" when they were ousted from their picnic area for filming.




BE-BALL
Beyonce – sporting her new shoulder-length tresses – roots for the New Jersey Nets with boyfriend Jay-Z (who's a partial owner of the team) in East Rutherford, N.J., on Tuesday. The Nets bested the Indiana Pacers 92-86 in the playoff game.




STAR BRIGHT
Jessica Alba is a guiding light in an all-white ensemble outside an MTV Networks event in New York City on Tuesday. The actress has been tapped to host the MTV Movie Awards on June 3.




ACTION STARS
Nicolas Cage walks tall on the Los Angeles set of his sci-fi thriller Next on Tuesday. Meanwhile, costar Jessica Biel (right) is the bomb as she straps herself with explosives for a scene.




DOLL FACE
Out of the makeup chair and on to the set, Christina Aguilera is a retro video vixen Tuesday as gets ready to shoot a clip for her single "Ain't No Other Man" in Los Angeles.




AU REVOIR!
After a one-night-only performance, Hilary Duff leaves her Paris hotel Wednesday to jet to Spain, where she'll continue her Most Wanted tour in Barcelona, Madrid and Valencia.




JOLLY GOOD TIME
Janet Jackson and beau Jermaine Dupri step out for a romantic dinner at London eatery Nobu on Tuesday. After putting on over 30 lbs., the singer is getting back in shape with the help of an acupuncturist and her personal trainer, PEOPLE reports.

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