Colette CL5135 dresses are offered in Sienna, Olive. $499 is the Formal Approach best price guarantee for style CL5135 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL5135 is offered in sizes: D0, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.