Colette CL12220 in Glitter Tulle, Lace & Beaded Lace. $545 is the Formal Approach best price guarantee for style CL12220 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL12220 comes in the following colors: Vintage Blue, Black Champagne, Bubblegum Nude, and these sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.