Radiate sophistication in this strapless long black satin prom dress by Blondie Nites. In junior sizes, this strapless long black formal dress is a sleek style with a wrap-around corset bodice that flatters the figure. In gleaming satin, this strapless gown has a long skirt with tummy-camouflaging ruching and a thigh-high side slit that adds a sexy vibe for prom, galas, and other formal events. A  neck scarf flows over the low back to complete the look of this strapless long black satin prom dress, under $150, that offers an old Hollywood look without breaking the bank.