Damon earns top honors during a ceremony at Harvard University. Plus: William & Kate, Shakira, Courteney Cox & Lisa Kudrow and more

  • SEAL OF APPROVAL photo | Jon Hamm

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Published: Friday Apr 26, 2013 | 05:00 PM EDT

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.