Colette CL2009 dresses are offered in Lilac, Light Blue. $525 is the Formal Approach best price guarantee for style CL2009 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL2009 is offered in sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.