La Femme 31971 tulle prom dresses are offered in Black, Dark Berry, Emerald. $398 is the Formal Approach best price guarantee for style 31971 by La Femme. Shop with confidence, Formal Approach is an authorized La Femme prom dress store. La Femme Fashion 31971 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16.