Cameron Diaz and Benji Madden - Nicole Richie

The Simple Life alum Nicole Richie takes full "responsibility" for getting actress Cameron and musician Benji together.

Nicole introduced Shrek 5 star Cameron and Good Charlotte's guitarist and backing vocalist Benji through her husband, his twin brother Joel Madden.

During an episode of Bravo's Watch What Happens Live with Andy Cohen, Nicole said: "I'm going to take responsibility for everything!

"I am a devoted sister-in-law."

Benji and Cameron got married at the latter's home in Beverly Hills in January 2015.

They welcomed daughter Raddix and son Cardinal into the world in 2019 and 2024, respectively.