Gossip Girl - Season 1 Episode 8
Seventeen Candles

Blair is feeling heartbroken and guilty by the current state of her relationship with Nate and her recent indiscretion. But she manages to put on a happy face for her 17th birthday party and attempts to hide her feelings from her friends. Hoping that Serena and Vanessa can bond, Dan takes Vanessa to Blairs birthday party. Jenny brings her mother home as a surprise, but Rufus isnt ready to forgive and forget. Finally, Nates parents ask him to make a huge sacrifice to save his fathers business.