LAS VEGAS, NV - MARCH 30: Actress Cameron Diaz, recipient of the CinemaCon Female Star of the Year award, arrives to promote her upcoming Sony Pictures Entertainment film, "Bad Teacher" at The Colosseum at Caesars Palace during CinemaCon, the official convention of the National Association of Theatre Owners, March 30, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
