Knickers in a Wad 2.18K Brian Moylan 08/10/10 12:25PM Filed to: open caption open caption Leighton Meester Gossip Girl Clemence Poesy bauer-griffin [Leighton Meester and blond rival Clemence Poesy both get their panties in a twist about something on the set of Gossip Girl. Image via Bauer-Griffin]