Gossip Girl Blake Lively was at the San Diego Comic Con to promote her new movie “Green Lantern” and the comic books geeks were busting out of their pants. Thousands camped out overnight to see a preview of Green Lantern co starring Ryan Reynolds and Peter Sarsgaard. 22 year old Lively wore a revealing white top showing ample cleavage and coming awfully close to a nipple slip, well there’s always next time.