Amazon cuts an extra 20% off a selection of women's dresses via coupon code "20DRESSES". (Items must be sold by Amazon to qualify.) Plus, Prime members receive free shipping on all orders. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping starts at around $5.) Available brands include Adrianna Papell, Donna Morgan, Helene Bergman, BCBGMAXAZRIA, and Erin Fetherston. Deal ends April 20. A couple of best bets, both with prices after coupon:

• Donna Morgan Women's Geo-Print Charmeuse Dress for $102.40 ($56 low)
• Adrianna Papell Women's Lace Shift Dress for $104 (pictured, $26 low)

See all Amazon Coupons.