A slew of celebs attended the Band of Outsiders and Net-a-Porter Summer bash in LA, including style star Nicole Richie. Nicole rocked leather leggings and a few coveted pieces from her House of Harlow collection — a suede crossbody bag and buckle moto boots. She added a ready-for-Fall robe jacket and nude silk blouse, both by Winter Kate, to complete her punk-chic look. A black panama hat and smoldering eye shadow finished off her effortless ensemble. Get this exact outfit in its entirety now.