Colette CL8490 dresses are offered in Turquoise, Sunset. $399 is the Formal Approach best price guarantee for style CL8490 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL8490 is offered in sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.