Across
- 2. Ben ___, Juliet's imprisoned half-brother and ex-teacher
- 6. Forrester, Serena's professor and Juliet's cousin
- 7. Louis's jealous younger sister
- 9. Prince Louis's Monégasque royal house
- 10. Adoptive surname of that secret child
- 13. Queen bee Blair's surname
- 14. The boys' prep school across from Constance
- 16. Russell and Raina, the duo eyeing Bass Industries
- 17. The New York paper Nate ends up running
- 20. Rose, Eleanor's exuberant second husband
- 21. Blair's father, who lives at a French vineyard
- 26. Dorota and Vanya's baby daughter
- 27. Chuck and Blair's son, seen in the finale's flash-forward
- 30. Boarding school where Ben taught and Serena once studied
- 31. Lily's estranged younger sister
- 32. Elizabeth ___, the woman revealed to be Chuck's birth mother
- 34. Princess ___, Louis's disapproving mother
- 38. The burlesque club Chuck buys
- 39. The doorman who weds Dorota
- 40. Chuck Bass's dog
Down
- 1. Surname shared by Lord Marcus and the Duchess Catherine
- 3. Golden boy Nate's surname
- 4. Dorota's married surname
- 5. The Season 2 con man who fleeces the Upper East Side
- 8. Baizen, the recurring trust-fund rogue
- 11. The real Charlie Rhodes, Carol's daughter
- 12. Constance Billard's headmistress
- 15. Blair's seldom-used middle name
- 18. First name of the secret son Lily gave up for adoption
- 19. The married Duchess who pays Nate to be her lover
- 20. Lily's mother, the Rhodes matriarch
- 22. Hornsby, Jenny's boyfriend caught kissing Eric
- 23. Dalgaard, the diplomat's son who deals drugs to Jenny
- 24. Rose, Cyrus's artist son who dates Serena
- 25. Chuck's scheming uncle Bass
- 28. Yuki, Blair's bespectacled academic rival
- 29. Sharp, the Season 4 schemer with a vendetta against Serena
- 32. Nate's equally posh middle name
- 33. "Lonely Boy" surname; the finale unmasks Dan as Gossip Girl
- 35. Payne, the Spectator owner who has an affair with Nate
- 36. Lifton, the socialite con artist behind a Season 2 swindle
- 37. Harold's partner in France