Jake Gyllenhaal, Taylor Swift Reunite!

Credit: Jeffrey Mayer/WireImage.com; Jeff Vespa/WireImage.com

He just can't quit her?

Three weeks after their split, Jake Gyllenhaal and Taylor Swift reunited in Nashville on Wednesday night, a source confirms to UsMagazine.com.

Driving into town together, Gyllenhaal, 30, and Swift, 21, dined at local eatery Bound'ry -- located just around the corner from Swift's condo.

It's the first time the duo have been spotted together since Gyllenhaal put the kibosh on their two-month romance just before New Year's. "Jake just told her it wasn't working out," an insider told Us Weekly. "Taylor is really upset and hurt. She doesn't know what she did for him to put a stop to it. She feels really burned by him."

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And Love and Other Drugs actor Gyllenhaal seemed to be on the prowl after Sunday's Golden Globes -- flirting up a storm with a bevy of A-list actresses (including Scarlett Johansson, Mila Kunis, and Michelle Williams).

"He was talking to so many girls!" a witness told Us.