Get ready for the big night with a little help from JCPenney. All prom dresses are reduced by 40% right now, and promo code 2SPECIAL will save you an extra 20% if your order is over $100. The code applies to shoes and dresses which will help you reach $100. Dresses start at just $24.99! You can still get a discount on that with code AFFSHOP1. Dresses ship free to store on orders over $25 or free to home on orders over $99.