Colette CL12271 in Satin, Sequin Accents on Lace Appliques. $419 is the Formal Approach best price guarantee for style CL12271 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL12271 comes in the following colors: Plum, Emerald, and these sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20.