Colette CL5121 dresses are offered in Black, Diamond White, Pink, Jade Berry. $599 is the Formal Approach best price guarantee for style CL5121 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL5121 is offered in sizes: D0, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.