“Glee” Star Cory Monteith, Katie Cassidy Join Selena Gomez For “Monte Carlo”. Selena Gomez is heading to Europe and she’s taking some other television stars with her. “Gossip Girl” star Leighton Meester, “Melrose Place” resident Katie Cassidy, and Cory Monteith of “Glee” are all heading to “Monte Carlo” with the teen Disney star. According to the Hollywood Reporter, Monteith and Cassidy are the latest to join the cast for the upcoming comedy based on the the book “Headhunters” by Jules Bass. The story follows Gomez halfway around the world to a charity auction after a case of wrong identity finds her mistaken for a socialite. Gomez and her gal pals team up to find a million-dollar necklace after it goes missing. Cassidy and Meester will play her friends, while Monteith will play her boyfriend who hops on a plane to Europe to prove his dedication to her. Andie MacDowell is set to play Gomez’s mom. The movie is set to start shooting in the spring in locales like Budapest, Paris, and Nice, France. Nicole Kidman, who was originally slated to star, is serving as executive producer. She also may take on a supporting role. “Nicole is the coolest person ever, and very sweet,” Gomez told In Touch about meeting the Oscar winner. “So I was very happy!” Selena Gomez is next set to appear in this summer’s “Ramona and Beezus,” based on the books by Beverly Clearly. Cassidy will hit the big screen in this month’s “A Nightmare on Elm Street,” while Leighton Meester appears in “Date Night” with Tina Fey and Steve Carrell.