Colette CL12247 in Stretch Crepe, Sequin Cracked Ice. $525 is the Formal Approach best price guarantee for style CL12247 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL12247 comes in the following colors: Black, Aqua Silver, and these sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16.