
Hazell was the face of Sony Computer Entertainment Europe's Formula One 06 video game for PlayStation 2, PlayStation Portable, and F1 CE for PlayStation 3. She is currently the face of MotorStorm: Pacific Rift for PlayStation 3.
Hazell had a small role in the full-length version of Cashback, playing "Frozen Girl in Sainsbury's". She was in talks with producers to be in a movie based on the television series Baywatch.

In 2008, Hazell appeared as Keeley Hazel on the BBC Three documentary Page Three Teens.
Hazell released a pop music single called "Voyeur" in 2008.

Hazell was hailed by the Conservative Party in December 2006 as an "environmental hero" for her campaigns in The Sun, giving environmental tips such as turning lights off during the day. She was named alongside the likes of David Attenborough, Prince Charles and Arnold Schwarzenegger in the Tories' list.
Hazell has backed a major breast cancer awareness campaign for Breakthrough Breast Cancer.

Hazell has also appeared in advertising posters for PETA, and is quoted as saying, "I believe that killing animals for vanity is wrong."