Blair tries to impress students at NYU with a private Lady Gaga concert; Serena turns to Nate for support during a difficult situation; Jenny agrees to do a favor for Chuck.

Jenny tries to land the hottest escort for Cotillion; Chuck and Nate try to help Serena and Blair repair their friendship; Olivia considers leaving school for a movie project.

Olivia tries to keep Dan from finding out what she said during her appearance on Jimmy Fallon's talk show; Blair makes a new friend and takes her to a party at Chuck's hotel in hopes of... Full summary

Chuck asks Serena to spread the word about his new hotel; Blair tries secretly to help Chuck; Dan watches one of Olivia's sex scenes; Jenny must choose between her role as Queen Bee and... Full summary

Vanessa vies with Blair for the honor of delivering the freshman toast at NYU; Dan invites Olivia to meet Rufus and Lily; Serena and Nate try to help Carter.

Rufus and Lily move up their wedding date; Chuck uncovers a secret that Carter was hiding from Serena; Georgina pulls Vanessa and Dan into one of her schemes; Blair grows suspicious of... Full summary

Jenny starts her reign as the new Queen Bee; Lily comes back home; a movie star named Olivia Burke (Hilary Duff) is assigned as Vanessa's roommate at NYU; Serena befriends Ursula (Tyra... Full summary