La Femme 27791 comes in the following colors: White. $578 is the Formal Approach best price guarantee for style 27791 by La Femme. Formal Approach is an authorized La Femme prom dress store. We only offer authentic designer prom dresses. La Femme 27791 comes in the following sizes: D0, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20.