Colette CL5117 dresses are offered in Emerald, Lilac, Light Blue. $599 is the Formal Approach best price guarantee for style CL5117 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL5117 is offered in sizes: D0, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.