Nicole Richie has shared a rare snap of her partying with sister-in-law Cameron Diaz.
The 40-year-old socialite, who rose to fame starring in The Simple Life with childhood friend Paris Hilton, shared a vampy gothic look with actress Cameron, 49, as they looked into the camera dressed in black.
Nicole and Cameron are related through marriage and it has often provided disbelief from fans when they find out their family connection.
