11. The End of the Affair

Complete story — includes the ending

Through a series of emotional flashbacks, Blair reveals to Serena what really happened in the aftermath of her car crash with Chuck. Dan tries to help Blair recover, while both Chuck and Louis mistake their bonding as an affair. Meanwhile, Nate discovers information about the accident that suggests possible foul play. Having successfully shut down Gossip Girl's website, Serena is reluctant to become the next Gossip Girl as her work at The Spectator takes off. Elsewhere, Lily is worried by Charlie's long absence and decides to hire a private detective to track her down despite Rufus' objections. Vera Wang makes a cameo as herself at Blair's dress fitting. Title reference: The 1999 film of the same name.