The 15-year-old heartthrob shoots a Jonas Brothers video in New York's Central Park. Plus: Lindsay Lohan, Fergie, Mary-Kate Olsen and more

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BOUNCING BACK

Shia LaBeouf, who recently had extensive surgery on his left hand, steps out with his Transformers 2 costar – and Grenier's ex – Isabel Lucas (not pictured) Monday in Los Angeles.