Colette CL8190 dresses are offered in Dusty Blue. $459 is the Formal Approach best price guarantee for style CL8190 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL8190 is offered in sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.