10. The Last Days of Disco Stick

Complete story — includes the ending

Hoping to impress the elitist theater kids at NYU, Blair sets her sights on landing a private concert with the hottest musical performer of the year, Lady Gaga. Dan and Olivia sign up to write and star in a school play, based on an idea by Blair and directed by Vanessa which leads to more quarreling between all involved. With Blair out of the picture, Serena turns to Nate to help her get through a difficult situation when she begins falling for Tripp despite the fact that is he still married. As a favor to Chuck, Jenny agrees to hang out with Damien ( Kevin Zegers ), the son of an ambassador who is staying at Chuck's hotel, but the experience proves to be a lot more intriguing than she expected. Title reference: The 1998 film The Last Days of Disco and the 2008 song " LoveGame " by Lady Gaga.