Colette CL12250 in Stretch Jersey, Beaded Appliques, Stretch Net. $545 is the Formal Approach best price guarantee for style CL12250 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL12250 comes in the following colors: Black Multi, and these sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20.