Leighton Meester: Waldorf Designs Fashion Show on 'Gossip Girl'

Blake Lively and Leighton Meester get ready for a runway show in this new still from Gossip Girl.

In the upcoming episode “Dirty Rotten Scandals,” Feeling the pressure to make her first Waldorf Designs fashion show a success, Blair (Meester) must rely on help from an unlikely source, but some unexpected scheming causes a scandal on the runway.

Serena (Lively) discovers that befriending Steven’s (Barry Watson) daughter Sage (Sofia Black-D’Elia) is trickier than she thought, especially when she is forced to put her issues with Blair aside to make Sage happy.

Nate (Chace Crawford) publishes Dan’s (Penn Badgley) first serialized article causing a stir and producing a serious threat. Meanwhile, Chuck (Ed Westwick) begins to look into the clue that Amira (Andrea Gabriel) left behind, which may help uncover what Bart (Robert John Burke) is hiding.

“Dirty Rotten Scandals” airs on Monday, October 22nd @ 9PM ET/PT on the CW. 10+ pics inside…