Colette CL2005 dresses are offered in Light Blue, Lilac. $609 is the Formal Approach best price guarantee for style CL2005 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL2005 is offered in sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.