While Nick's away, Simpson gets to work. Plus: Orlando Bloom, Gwyneth Paltrow and more

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WORKING GIRL

While hubby Nick Lachey is away (he's recording overseas), Jessica Simpson goes it alone Tuesday in New York to perform for MTV. Also lending star power to the event unveiling the network's new schedule: Willie Nelson, Jon Stewart, Mariah Carey and the Black Eyed Peas.