La Femme 28521 comes in the following colors: Black, Emerald, Navy. $338 is the Formal Approach best price guarantee for style 28521 by La Femme. Formal Approach is an authorized La Femme prom dress store. We only offer authentic designer prom dresses. La Femme 28521 comes in the following sizes: D0, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20.