Jake Gyllenhaal and Michelle Monaghan share a laugh while shooting their new movie, Source Code, at Millennium Park on Friday afternoon (April 9) in Chicago, Ill.

The on-screen couple was spotted lunching at Park Grill Chicago. Chicago Tribune reports that Jake had French onion soup and a turkey pastrami club while Michelle had chicken noodle soup with grilled artichokes, arugula and la quercia ham.

Source Code is a sci-fi thriller centered on soldier Colter (Gyllenhaal) who wakes up in the body of a commuter who witnesses a train explosion.
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