Did Jenny know who Gossip Girl was?

Related questions

1. Why did they change Blair's mom?
2. What does it say at the start of Gossip Girl?
3. Is Jack Chuck's dad?
4. Who does Blair end up with Gossip Girl?
5. Does Lily die in Gossip Girl?
6. Why did Bart Bass faked his death?
7. Does Nate end up with Vanessa?
8. Who played Blake Lively's twin?
9. How old was Blake Lively at the beginning of Gossip Girl?
10. Is Milo Humphrey really Dan's son?

Tags

1. #accidentally
2. #surprises
3. #almost
4. #episode
5. #first
6. #finale
7. #gossip
8. #revealed