Gossip Girl, Blake Lively, Mary Katrantzou
Credit: Courtesy of The CW; Getty Images

With a new episode of Gossip Girl on Monday, we have a sneak peek at the hottest looks from the show! One outfit you’ll see: Serena van der Woodsen (Blake Lively) in a printed dress from London-based designer Mary Katrantzou’s spring 2011 collection. “It’s flattering,” Katrantzou told of seeing her designs on celebrities. “[The clothes have] always been on a woman with a strong presence.” For more looks from the new episode, titled “All the Pretty Sources,” click through the gallery. CatchGossip Girl on Monday, November 21st at 8/7c.

Caitlin Petreycik, reporting by Lindzi Scharf