Serena left
-to Italy.
Nate married
-Vanessa
Dan wrote a book
-about Serena
Erik realized he wasn't gay
-and married Jenny.
Rufus found his and lillys son
-and is engaged to Lilly
Chuck has a son
-named Simon Tibastian James Bass
&
Blair has a daughter
-named Kate Cecilia Rose Bass-Waldorf
Things changed
Years passed
But now they will all be reunited at the wedding of Rufus Humphrey and Lilly Van der Woodsen