Katie Cassidy: Gorgeous Gossip Girl!

Katie Cassidy takes a stroll with Chace Crawford on the set of Gossip Girl on the Upper West Side of New York City on Thursday (July 15).

The 23-year-old Melrose Place actress will be in a multi-episode arc where she’ll play a Columbia University student and love interest for Nate (Chace Crawford).

Also pictured below are GG co-stars Leighton Meester and Blake Lively.

10+ pictures inside of Katie Cassidy shooting Gossip Girl…