The husbands of Nicole Richie and Cameron Diaz are twins.
Joel Madden is the front man of the band Good Charlotte, and his brother Benji Madden is a guitar-player and back-vocalist for the same band. Joel is the husband of television personality, actress, and singer Nicole Richie, and they have been married for more than 10 years. It was Nicole who introduced her friend Cameron Diaz and her husband’s brother to each other in 2014. They got married less than a year later.