Here's a gorgeous long a-line prom dress 21130 by La Femme that is as beautiful as it is affordable. With a price tag well below $200, this long designer dress has it all for prom, galas, and other formal events. Sheer-lace shoulder straps flow over the arms to beautifully frame the opaque open back of this long formal dress, while a multi-layered skirt flows to the floor in an a-line shape. Classic style with modern upgrades, this captivating long a-line prom dress is sure to captivate the night without emptying your bank account.