Step into style wearing this strapless long prom dress by Amelia Couture. With a sweetheart bodice that wraps around to the lace-up back, this long formal dress has bead-trimmed cut outs at the side that offer a sexy vibe. Thin bands lace up over the open back of this long evening gown, while the long skirt opens in a thigh-high side slit before ending in a horsehair hemline. Priced under $200 for prom, galas, and other formal events, this lace-up strapless long prom dress is an upscale design that radiates sophistication without emptying your wallet.