Colette CL12233 in Tulle, Sequins. $545 is the Formal Approach best price guarantee for style CL12233 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL12233 comes in the following colors: Blush Multi, and these sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20.