Create a svelte, elegant silhouette on your prom night no matter your size with Unique Prom’s selection of long, plus size prom dresses. In a number of extended sizes and a variety of colors and styles, these stunning frocks will help you to create that prom look that you’ve always dreamed of. Brands like Sydney’s Closet offer colorful, jewel tone dresses with flowing skirts that extend all the way down to the ground, and many of them even feature sparkling details along the neck or bodice to add a bit more interest. If you prefer basic black, we also carry black, long plus size prom dresses that slim and shape your figure in a way that is truly timeless. From fun, sparkling frocks to classic dresses with minimal silhouettes, Unique Prom offers a long plus size dress in just about every style.