The 40-year-old actress wore a Stella McCartney blue crepe gown with cape, gold spiked belt and platform stud sandals and wooden box clutch.
Cameron was joined on the red carpet that evening by the designer Stella McCartney herself!
FYI: Stella is wearing a Stella McCartney navy blue satin top with diamond embroidered lining, mini skirt and high heel pumps with green/crème plexi oval clutch. She finished off her look with Stephen Russell jewelry.
Also pictured: Cameron on the set of her film The Other Woman that same day.
10+ pictures inside of Cameron Diaz on the red carpet at the 2013 Met Ball… More Here! »