After celebrating with Mayer, Simpson hits the streets of N.Y.C. to film Blonde Ambition. Plus: Patrick Dempsey, Nicole Richie and more


For the first time since checking back into rehab a week ago, an upbeat-looking Britney Spears steps out of Promises for an outing in Santa Monica Wednesday night.

Click here to see more photos, news and a full bio of Britney Spears

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