Colette CL5271 dresses are offered in Lilac. $699 is the Formal Approach best price guarantee for style CL5271 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL5271 is offered in sizes: D0, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.