According to reports, the role of the intriguing, long-lost love child of Lily and Rufus - who was presumed dead by the main characters (but not to viewers) in a January episode - will finally appear on the Upper East Side, and will do so in the upcoming season finale!

What actor is playing the half-brother of Dan and Serena? Can Lily and Rufus' relationship survive this bombshell? Follow the link for more on this Gossip Girl spoiler ...

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