Colette CL2017 dresses are offered in Diamond White, Periwinkle, Turquoise, Dusty Rose. $629 is the Formal Approach best price guarantee for style CL2017 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL2017 is offered in sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.