Blake Lively's Gossip-filled Premiere

It was a little Gossip Girl reunion in NYC last night at a screening of Blake Lively's new movie Elvis & Annabelle. Her TV brother and TV frenemy (Eric and Chuck) came out to support their costar, but there was no Blair in sight. There was a rumor earlier today that a Josh Schwartz alum, Mischa Barton, was going to guest star on the show but alas she turned the offer down. So does that mean there's an open job? May I politely suggest Miss Rachel Bilson?