Use one of 21 Wicked Good Cupcakes coupons including coupon codes and free shipping deals for December 2016. Use your coupon to save on sweet treats at Wicked Good Cupcakes. Looking for an off-the-wall gift? Try Wicked Good Cupcakes! As seen on Shark Tank, these little treats are lovingly baked in jars and perfect for someone with a sweet tooth. Also try their pies and brownies.