$495 Derek Lam 10 Crosby Nalani Peplum Mini Shirtdress Blue & White, Size 2 B1 Derek Lam 10 Crosby Nalani Peplum Mini Shirtdress. A great dress can really boost your mood. So opt for this blue cotton Nalani peplum shirt dress from Derek Lam 10 Crosby. It boasts wave striped embroidery. Rock the frock. Featuring a cutaway collar, a belted waist, long sleeves, button cuffs and wave striped embroidery. 100% Cotton Approx Measurements Flat across Length 35.5” Pit to pit 15” Waist 13”