La Femme 30840 chiffon prom dresses are offered in Cloud Blue, Lavender, Neon Pink. $378 is the Formal Approach best price guarantee for style 30840 by La Femme. Shop with confidence, Formal Approach is an authorized La Femme prom dress store. La Femme 30840 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12, 14, 16.