Cameron Diaz Smiles for 'Sex Tape' with Jason Segal

Cameron Diaz is all smiles chatting away with some crew members on the set of her latest film Sex Tape on Thursday (September 12) in Newton, Mass.

The 41-year-old actress was joined on set by her co-star Jason Segel.

Earlier in the day, Cameron was seen taking on the super hot day in her workout gear while hanging out in Boston, Mass.

Cam just signed on as a producer for the television adaptation of her film Bad Teacher, which will debut mid-season on CBS, according to Deadline. Cameron starred in the film back in 2011.

10+ pictures inside of Cameron Diaz filming Sex Tape in Massachusetts…