Synopsis for
"Gossip Girl" The Goodbye Gossip Girl (2009)

Gossip Girl decides to liven things up at the Constance Billard and St. Jude's graduation by sending out a shocking and damaging email blast in the midst of the commencement ceremony, stirring Serena to come up with a plan of attack. Serena attempts to expose Gossip Girl, but Gossip Girl manages to escape, without a trace. Meanwhile, Blair finally decides between Nate and Chuck. And chooses one, and hurts the other in the process. After Jenny's crazy year, the mean girls challenge her once again, for the title of Queen B. with Blair leaving high school and her minions behind, will Little J take the crown? Elsewhere, Georgina Sparks has a little trick up her sleeve, and has big plans for Blair, leaving everyone in shock. Dan and Vanessa take their relationship to the next level as Lily and Rufus try to repair theirs. But everything changes as soon as their is a suprising knock at the door. And once that door is opened, life for these Upper East Siders will never be the same again. What will the summer be like? Only time will tell. See you in college kiddies.

xoxo, Gossip Girl