OMG Dan and Serena... oh wait, no. That's just our favorite dating Gossip Girl stars, Blake Lively and Penn Badgley. Our bad!

Below, Penn and Blake take their romance off-screen with a little make-out session on Manhattan's Upper East Side Tuesday...

The constant love-fest between Penn Badgley and Blake Lively might be annoying after awhile if we weren't so nuts about the young Gossip Girl cuties!

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.