Gossip Girl episode 4 "Bad News Blair"

In this episode Blair's mother, who is a famous designer , asks Blair if she wants to participate as a model by taking photos, but there's a problem: Blair isn't good at it. Serena notices that and goes to help her. The day after, Blair's mom, Eleanor, tells Blair that she doesn't need her anymore, and Eleanor asks Serena if she wants to be the model. Big problem.
Serena tells Blair that she won't take the photos, so they steal a dresses and go to the street taking them own photos.
Changing the subject... Dan really wants to hang out with Serena, but she's too busy with her "best friend". Poor Dan.