Gossip Girl: (Voice Over) Well, Serena's mystery man is a mystery no longer. His name is... oh, who cares. Now that he and S are over, so are his fifteen minutes. But his sister Jenny was spotted with a new dress... gifted from Blair herself. Everyone knows an Eleanor original is the uniform of B's private army. But will J be a loyal soldier? Or will she side with S's rebel forces? And as for S herself: We hear she left today's brunch with no friends, no boy and nowhere left to run. It looks like the ultimate insider has become a total outsider. It's your move, Serena. And you know who'll be watching: Gossip Girl.