Here's a classic long a-line prom dress that is perfect for the glam girl on a budget. At under $100 you can get this gorgeous long evening gown that has a scoop neckline and thin shoulder straps that lead to the corset-style back that laces up for the best fit at prom, galas, ands other black-tie events. In misses and plus sizes, this beautiful long formal dress has a figure-flattering a-line skirt that opens in a side slit before cascading to the floor. A classic style that is worthy of a crown, this long a-line prom dress is a captivating choice for your big event.