Sean Penn Takes His Girlfriend out for Burgers

Sean Penn and Shannon Costello at Nobu in Malibu

AKM Images

09/14/2011 AT 10:00 AM ET

Sean Penn and girlfriend Shannon Costello shared burgers and soda at The Counter in Santa Monica, Calif. The actor was wearing a suit and they were “affectionate towards each other,” an onlooker says of their lunch date. Adds the onlooker: “[They were] constantly smiling during conversation.”


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