Gossip Girl stars Blake Lively and Leighton Meester go back in time as they step out on-set in period costumes in New York City on Thursday.
Blake's costume looks way more chic and sophisticated than Leighton's. Poor Leighton looks like a ragged Mary Poppins!
UPDATE: It's a My Fair Lady reference with a Eliza Dolittle pre (Blair) & post (Serena) make-over. Thanks to JJ readers Sascha, Caroline, Trace, Lenor, Claire and Catherine!
The second season of Gossip Girl starts off with a bang @ 8PM ET/PT on Monday, September 1. The season premiere of One Tree Hill follows.