Cameron Diaz and Benji Madden are engaged by African Celebs December 19, 2014 African Celebs Congratulation! There’s Something About Mary star Cameron Diaz, 42 and Benji Madden, 35 are engaged! The couple met about 7 months ago and have now taken their relationship to another the next level. We all can’t wait for the big day! See Also Showcase of African Nations Watch Live on CEEK Tags Benji Madden Cameron Diaz There's Something About Mary