Colette CL2050 dresses are offered in Violet, Navy Blue Silver. $735 is the Formal Approach best price guarantee for style CL2050 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL2050 is offered in sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.