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Matt Damon chats up fellow actor John Lithgow Thursday at Harvard University's Sanders Theatre in Cambridge, Mass., where he was awarded the 2013 Harvard Arts Medal.
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SEAL OF APPROVAL
It's double or nothing for Jon Hamm, who's game to greet fans outside the Late Show with David Letterman in New York City on Thursday.
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Man of the hour Seth Rogen storms the stage as the Backstreet Boys – Kevin Richardson, AJ McLean and Brian Littrell – rock out during the actor's Hilarity for Charity event, which benefits the Alzheimer's Association, at the Avalon in Hollywood on Thursday.
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Gabriel Aubry savors a playdate at the park with 5-year-old daughter Nahla Thursday afternoon in L.A.
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Shakira and beau Gerard Piqué put on their game faces while watching a basketball game in Barcelona on Thursday.
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CLOSE TO YOU
Looks like they're still good Friends! Former costars Lisa Kudrow and Courteney Cox get chummy Thursday at the opening of the P.S. ARTS Presents LA Modernism show at Santa Monica, Calif.'s Barker Hanger.
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SHE'S ALL CHAT
Bethenny Frankel takes a call Thursday during an afternoon stroll around New York City.
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Too cute! Alyson Hannigan and 4-year-old daughter Satyana show off their matching mani-pedis on Thursday in Santa Monica, Calif.
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They're out of this world! Star Trek Into Darkness's director J.J. Abrams (far left) and stars Alice Eve, Chris Pine and Zachary Quinto promote the sci-fi/action film Thursday at Moscow's Planetarium.
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Kendra Wilkinson and husband Hank Baskett soak up the sun – and each other's company – while out in Calabasas, Calif., on Thursday.
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Spring is in full bloom on Jessica Alba's pretty floral dress Thursday as she makes her way to a Santa Monica, Calif., office building.
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It's in the bag for LeAnn Rimes and husband Eddie Cibrian, who shop for groceries together in Toronto, where the actor is filming the comedy The Best Man Holiday.