The SAG Awards nominee and author celebrates her new dating book in New York City. Plus: Patrick Dempsey, Britney Spears, Sienna Miller and more

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THAT'S A WRAP

Adrien Grenier, also nominated with his own Entourage for a SAG Award this weekend, enjoys a stroll though Park City, Utah, on Thursday. The actor is in town for the Sundance Film Festival, which ends on Jan. 28.