La Femme 31220 hot stone jersey prom dresses are offered in Dark Berry, Mauve, Navy. $438 is the Formal Approach best price guarantee for style 31220 by La Femme. Shop with confidence, Formal Approach is an authorized La Femme prom dress store. La Femme 31220 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.