Colette CL12123 is a sleeveless tulle and lace applique with stone accents a-line gown, with a v-neck, natural waist, horsehair hem, and sweep train. $419 is the Formal Approach best price guarantee for style CL12123 by Colette. Shop with confidence, Formal Approach is an authorized Colette prom dress store. Colette CL12123 comes in the following colors: Sky Multi, Pink Multi, Lilac Multi, and these sizes: 00,0,2,4,6,8,10,12,14,16,18,20,22,24.