Throughout her career, Diaz maintained a down-to-earth and approachable public image, which contributed to her popularity and relatability with audiences. She avoided major scandals and was generally perceived as authentic.

Diaz has been a vocal supporter of environmental causes, particularly those related to climate change and ocean conservation. She has participated in various campaigns and initiatives to raise awareness about these issues.

Through her books and public appearances, Diaz has advocated for women's health and empowerment. She has spoken openly about the importance of body positivity, healthy aging, and access to quality healthcare.

Cameron Diaz served as a celebrity ambassador for UNICEF, helping to raise awareness and funds for the organization's work to protect children around the world.