Watch: Would Leighton Meester Do a Guest Spot on "Gossip Girl" Reboot?
Spotted: Gossip Girl celebrating its 15th anniversary on Sept. 19.
That's right, the CW hit series that launched the careers of Blake Lively,Leighton Meester and Penn Badgley is now the same age Lil J (Taylor Momsen) was in the premiere episode. All this goes to show that time really does come for us all, just like the show's omnipresent narrator.
In honor of GG's birthday, we're revealing major secrets you might not know about the show, like which Oscar winner almost landed the role of Serena and whyEd Westwick was almost recast right before filming began. Oh, and did you know there were two '90s icons who were considered to read Gossip Girl's quippy texts before Kristen Bellultimately became the voice to strike fear in every high schooler on the Upper East Side?