Colette CL2028 dresses are offered in Royal Blue, Black, Cabernet, Jade. $589 is the Formal Approach best price guarantee for style CL2028 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL2028 is offered in sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.