Shop at Formals XO to select from a large number of Jovani evening dresses in Langhorne, PA. This top boutique is an official store to get Jovani prom dresses from our wide variety of options for juniors and seniors. Shop our hottest collections of on-trend long and short styles for homecoming, prom or a wedding. Our dresses are made up to size 24 to include plus size women, down to 00 to suit petite girls. This well-known store is a favorite with women who are searching for a sexy dress that represents glamour and the latest trends. The store staff can assist you as you select, or order any of our dresses to be delivered from our warehouse. Shop for any length or style and try on the full range of silhouettes currently available.