Lily and Rufus move up their wedding day, but someone or something will come between them. Can they overcome this and finally get married? Chuck uncovers Carter’s secret. Georgina traps Dan and Vanessa into one of her schemes. Blair suspect something not good about Bree and shares her concerns with Nate.
It’s Jenny’s first day of school at Constance Billard which means it’s her time to take her place as the new Queen Bee. But Blair wants to take her spotlight when she is needed back at Constance. Lily returns home to find that everything is different now. Meanwhile, a famous movie actress, Olivia Burke, enrolls in NYU and as Vanessa’s new roomate who wants to have a normal college life. Tyra Banks guest stars as Ursula, a co-star in Olivia’s movie and Serena’s new friend.