Plus: More star sightings!

By People Staff
September 16, 2011 10:00 AM
Jon Kopaloff/FilmMagic

Also at Hyde Lounge that night: George Clooney‘s new flame Stacy Keibler, who kept things decidedly more low-key. She was seated at a mellow table in between a girl and a guy friend. Though she left after about thirty minutes, she was “constantly laughing and engaged in conversation,” an onlooker says.