Title: The Wrong Goodbye
Air Date: May 16, 2011 at 9:00 PM PDT
Season 4 wraps up with an explosive finale, including the return of Georgina Sparks
) and Constance Billard mean girls Kati (Nan Zhang) and Is (Nicole Fiscella), a cameo by Gossip Girl
author Cecily von Ziegesar, a performance by Airborne Toxic Event, and a few very juicy cliffhangers. Read the full recap here.