Blair prepares to celebrate her upcoming royal wedding with a bachelorette party, but others scheme behind her back to make this a night to remember. After discovering the truth behind…

In the midst of celebrating Yom Kippur with family and friends, Blair and Louis find themselves in a power struggle with Louis’ family. Serena’s boss puts Serena in the awkward…

Nate reconnects unexpectedly with Diana, who offers him an exciting opportunity. Serena forces Charlie to decide which world she wants to embrace. Dan seeks out Chuck’s help to stop the…