Chace Crawford & Katie Cassidy Caught Kissing

Katie Cassidy and Chace Crawford heat up the set of Gossip Girl as they film an episode at Columbia University in New York City on Wednesday (August 18).

Chace, 25, stopped by the premiere of Mao’s Last Dancer on Thursday night in New York City and posed with Jane Fonda and her cute puppy!

Also pictured below are Blake Lively and Jessica Szohr filming their own scenes.

FYI: Jess is wearing “Jamee” earrings by Gemma Redux.

Gossip Girl returns for its 4th season on September 13th. OMG!