In the age of Instagram, a designer’s clique is becoming more and more integral to their success. Take, for example, Giambattista Valli’s favorite girls, including Brooke Shields, Jessica Biel, Giovanna Battaglia, Lee Radziwill, Lena Dunham, and Elena Perminova—to name just a few. Who better to celebrate the launch of Giamba, his new ready-to-wear label? Ahead of the debut show tomorrow (at 6:00 a.m. EST), the brand created a video with some help from Valli’s dearest friends. Watch it exclusively here on Style.com, above.