Watch Gossip Girl Ex-Husbands and Wives Season 3 Episode 21 Online Streaming Video this Monday night at 9:00 PM on The CW tv channel. As things start to get tense between Rufus and Will, and Serena chooses to stand by her father, while Rufus starts to feel like an outsider in his own home. Meanwhile, Jenny deliberatly tells Will something that can destroy Lily and Rufus' marriage. After many attempts, Chuck makes the ultimate grand gesture to get Blair back, hoping that she realizes that they are destined to be together. Don't miss to watch full episode Gossip Girl Ex-Husbands and Wives Season 3 Episode 21 Streaming Online.