Use Promo Codes to save $15 when you shop at Nasty Gal. You need to log in to your existing account at nastygal.com or create a new account of your own; then, to select a product, you can browse the nastygal.com product page to select a product and add it to your cart. Occasionally, they will offer you discounted products up to 90%. Then, click Pay, select the corresponding available Coupons, and select your preferred payment method. Please note that each Nasty Gal Coupon Codes has its own rules of use, if your order is eligible for nastygal.com, it can be used.