La Femme 31356 sequin prom dresses are offered in Periwinkle, Royal Blue. $398 is the Formal Approach best price guarantee for style 31356 by La Femme. Shop with confidence, Formal Approach is an authorized La Femme prom dress store. La Femme 31356 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.