House of Harlow 1960 x REVOLVE Diaz Richie - Lead 2016
Credit: Donato Sardella/Getty

When Cameron Diaz married Benji Madden in January of 2015, she didn’t just add one celebrity to her family circle: She got three! Her rock star husband has an identical twin brother, Joel Madden, who is married to fashion designer Nicole Richie (whose dad is singer-songwriter Lionel Richie). Talk about a superstar family.

So when Nicole set out to celebrate the launch of her brand House of Harlow 1960’s new collection with e-commerce site Revolve, the entire family showed up to support her newest project. In one sweet photo (above), Diaz cozies up to the woman of the hour in a summery all-white suit while Nicole rocks a trendy striped off-the-shoulder top and matching high-waist pants.

House of Harlow 1960 x REVOLVE - Embed 2016
Credit: Donato Sardella/Getty

The entire family posed together in another photo (above), with the famous starlets wrapping their arms around their respective hubbies. And photographers captured another sweet snap of Diaz and Benji Madden cuddling up at the fête.

House of Harlow 1960 x REVOLVE Madden Diaz - Embed 2016
Credit: Donato Sardella/Getty

So what exactly were they celebrating? Nicole told InStyle that the new “free-spirited” line is inspired by her stylish friend group. “Everything is super easy to wear and extremely comfortable,” she said of the collection, which launched June 2 on

From music to movies to clothing design, this sure is one talented family.