On this week's Gossip Girl, there's no shortage of drama on the Upper East Side — both onstage and off. Chuck seeks revenge against Dan, Blair is forced to face her feelings, and Ivy's identity is finally revealed when the family comes together over CeCe's health emergency. From the beginning of Dair (or Blan?) to the end of the Gossip Girl video mystery, let's recap this week's top OMG moments.
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