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 Chuck and Blair's car accident, Nate joins forces with a surprising ally to gather the evidence. Serena and Dan pretend to be dating again to protect someone close to them.
| Creator | Stephanie Savage |
|---|---|
| Actor | Blake Lively, Leighton Meester, Penn Badgley |
| Country | United States of America |
| Production | Warner Bros. Television |