Katie Cassidy and Leighton Meester sandwich in costar Selena Gomez in this super cute shot from filming Monte Carlo in France earlier this month. Selena, 17, just returned from Europe to the USA. She tweeted the news, “Just landed I’m the US after being gone for 4 months! YAY! I’ve missed my home but had such an amazing time!” Remember, Selena’s fashion line, Dream Out Loud, hits KMart stores across the nation!