Colette CL2020 dresses are offered in Turquoise Silver, Orange, Plum, Light Blue. $629 is the Formal Approach best price guarantee for style CL2020 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL2020 is offered in sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.