Here's a two-piece long lace prom dress that is sure to garner endless compliments. The true fashionista on a budget will love this budget-priced long lace formal dress that includes a beautiful cold-shoulder crop top with matching mermaid long skirt. Crafted in delicate lace, this two-piece evening gown is nothing short of fabulous for prom, military balls, and other fancy formal events. Sure to be voted best style for the money, this upscale two-piece long lace prom dress contours the curves without emptying your wallet.