Colette CL5124 dresses are offered in Buttercup, Lilac, Sky Blue. $549 is the Formal Approach best price guarantee for style CL5124 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL5124 is offered in sizes: D0, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.