Colette CL12248 in Lace, Tulle, Lace Appliques, Rhinestone Accents. $589 is the Formal Approach best price guarantee for style CL12248 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL12248 comes in the following colors: Crimson, Black Nude, and these sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20.