Serena's love life on Gossip Girl was complex ... and Poppy Lifton was revealed to have been in on it from the beginning.

There may not have been a show that took as many wild twists and turns on The CW as Gossip Girl did. It also was a series that helped launch the careers of Penn Badgley and Blake Lively.

but the beginning is slow. Like the twin wardens say in Persona 5, this book is “not terrible, but not impressive.” This Gossip Girl prequel covers why Serena ended up going to boarding school ...

From the big reveal about Dan Humphrey (Penn Badgley) to the political future of Chace Crawford’s Nate Archibald, here’s everything you need to remember about how Gossip Girl ended for each of ...