Leighton Meester dress gossip girl shoes Leighton Meester dress gossip girl shoes

I die! I've always been jealous of Blair Waldorf, and now I have to be jealous of the actress that plays her? Hates it!

Spotted: Leighton Meester leaving the Katy Perry concert in NYC last night with her beau, Sebastian Stan. SO HOT RIGHT NOW. But hotter than her co-star Chace Crawford?