Garret Hedlund and Leighton Meester were "Inseparable" at a Post-Golden Globe party over the weekend, and according to Us Magazine
, actually kissed.
As the duo chatted, "Garret wrapped his arm around her," the observer says. "She wraps her arm completely around his neck and pulls him for a quick peck on the lips."
Leighton pretty much swore off dating after her break-up with her Gossip ...