Colette CL12207 in Tulle & Beaded Lace. $505 is the Formal Approach best price guarantee for style CL12207 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL12207 comes in the following colors: Ivy, Vintage Rose, and these sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.