Leighton Meester was the guest of honor last night at a bash celebrating her latest cover of Nylon magazine cohosted by Diesel in NYC. Her costar in The Roommate, Minka Kelly, was fresh off a plane from LA to join her in the afternoon for a Q & A at the SoHo Apple store before the bash, which brought out Kanye West, Jared Leto, and Leighton's Gossip Girl buddies Jessica Szohr and Nicole Read more