As Newsweek details, the celebrity world is a small one, and many of our favorite A-listers are even related to one another. Fans were astonished to find out that Cameron Diaz and Nicole Richie are actually related by marriage. In 2020, writer Ashley Fern reminded the world of this fact when she wrote, “Nicole Richie & Cameron Diaz are sister-in-laws and I feel we don’t talk about it enough,” via Twitter. Per News.com.au, the tweet was reposted by the @betches Instagram account, prompting a cute reaction from Diaz herself. The “Vanilla Sky” actor commented on the post with a twin emoji, followed by the mind blown emoji and two winky faces, before tagging Richie in the comment.
Clearly, it was an “aha” moment for fans who didn’t immediately realize how the two women were related. According to Us Weekly, Richie wed Good Charlotte frontman Joel Madden in 2010, and the pair share daughter Harlow and son Sparrow. In 2015, Diaz married Joel’s twin brother, Benji Madden, per Us Weekly. In January 2020, Diaz announced that she had given birth to a daughter named Raddix, making Richie not only Diaz’s sister-in-law, but also an aunt to Raddix. Though Diaz and her husband keep their relationship under wraps, they often spend time with Richie and Joel. Glamour notes that Diaz and Richie are reportedly close friends — and now that Diaz has a little girl of her own, the two women bond over parenting.