La Femme 31503 lace tulle prom dresses are offered in Aqua, Light Periwinkle, Sage. $498 is the Formal Approach best price guarantee for style 31503 by La Femme. Shop with confidence, Formal Approach is an authorized La Femme prom dress store. La Femme 31503 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16.