Colette CL2000 dresses are offered in Diamond White, Lilac, Blush, Mint. $629 is the Formal Approach best price guarantee for style CL2000 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL2000 is offered in sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.