Cameron Diaz is just as mind-blown that Nicole Richie is her sister-in-law as the rest of us

Nicole and Cameron’s husbands are twin brothers Joel and Benji Madden (Picture: Donato Sardella/Getty Images for REVOLVE)Cameron Diaz and Nicole Richie being sisters-in-law proves that Hollywood is a very, very small place.And Cameron knows just how mind-blowing her family tree is.The 48-year-old poked fun at the family connection on a meme page, which introduced fans to the fact that she and Nicole, 39, are related.The page Betches shared a tweet from Ashley Fern reading: ‘Nicole Ri