Blake Lively and Penn Badgely as Serena Van Der Woodsen and Dan Humphrey.
Leighton Meester and Penn Badgley - Blair Waldorf and Dan Humphrey characters - Behind the scenes of Gossip Girl
Penn Badgley aka Dan Humphrey from Gossip Girl.
Penn Badgley- I can't believe that Dan Humphrey was Gossip Girl all along. I am going to miss my show!