Colette CL8320 dresses are offered in Navy Blue, Black. $399 is the Formal Approach best price guarantee for style CL8320 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL8320 is offered in sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.