Gossip Girl Season 4 Spoilers: Taylor Momsen and Penn Badgley Filming Video!

We know that Little J will be making her return to the Upper East Side on the 4th episode of this season's Gossip Girl Well we've got even more spoilers on her return: a video of Taylor Momsen (the actress who plays Little J) and Penn Badgley (the actor who plays Dan Humphrey) filming a scene! Check it out!

Source: Youtube