Cameron Diaz promotes 'Bad Teacher'

Cameron Diaz poses for a photo as she promotes her latest film 'Bad Teacher' in front of the Kremlin in Moscow on June 15, 2011. (AFP/Natalia Kolesnikova)

Cameron Diaz poses as she arrives at the Russia premiere of the film 'Bad Teacher' in Moscow, Russia on June 15, 2011. (AP/Misha Japaridze)

Cameron Diaz poses as she promotes her new movie 'Bad Teacher' in Madrid on June 13, 2011. (Reuters/Andrea Comas)

Cameron Diaz poses by a school chalkboard in a central London hotel for the film 'Bad Teacher' on June 16, 2011. The film will open on June 17 across the UK. (AP/Joel Ryan)

Cameron Diaz poses to promote her new film 'Bad Teacher' in Berlin on June 17, 2011. The film opens in German cinemas on June 23rd. (Reuters/Tobias Schwarz)

Cameron Diaz poses during a photocall in front of Red Square in Moscow June 15, 2011. (Reuters/Alexander Natruskin)

Cameron Diaz poses as she promotes her new movie 'Bad Teacher' in Madrid on June 13, 2011. (Reuters/Andrea Comas)

Cameron Diaz during a photocall in front of Red Square in Moscow June 15, 2011. Diaz arrived in the Russian capital to promote her latest movie 'Bad teacher'. (AFP/Natalia Kolesnikova)

Cameron Diaz during a photo session to promote her new film 'Bad Teacher' in Berlin on June 17, 2011. (Reuters/Tobias Schwarz)

Cameron Diaz arrives to promote her new movie 'Bad Teacher' in Madrid on June 13, 2011. (Reuters/Andrea Comas)

Cameron Diaz arrives at the Russia premiere of the film 'Bad Teacher' in Moscow, Russia on June 15, 2011. (AP/Misha Japaridze)

Cameron Diaz poses during a photo call to promote her new film 'Bad Teacher' in Berlin on June 17, 2011. (Reuters/Tobias Schwarz)

Cameron Diaz poses as she promotes her new movie 'Bad Teacher' in Madrid on June 13, 2011. (Reuters/Andrea Comas)

Cameron Diaz poses during a photocall in front of Red Square in Moscow June 15, 2011. (AFP/Natalia Kolesnikova)

Cameron Diaz promotes her new movie 'Bad Teacher' in Madrid on June 13, 2011. (Reuters/Andrea Comas)

Cameron Diaz poses during a photocall in front of Red Square in Moscow June 15, 2011. (AFP/Natalia Kolesnikova)

U.S. actress Cameron Diaz poses to promote her new film 'Bad Teacher' in Berlin on June 17, 2011. The building in the background is the Reichstag, seat of the lower house of parliament Bundestag. (Reuters/Tobias Schwarz)

Cameron Diaz poses during a photocall in front of Red Square in Moscow June 15, 2011. Diaz is in the Russian capital to attend the premiere of her new film 'Bad teacher'. (Reuters/Alexander Natruskin)