Beyond the Rack is a invite only sales page that features 3-5 sales on designer products each day. Each sale lasts about a week. Many of their items would make great bridesmaids gifts! You may get lucky and find the perfect pair of shoes, a handbag, or even lingerie for 50-90% off.
Right now you will also get $10 when you sign up. Just head over to this page. It requires an email address, but it costs nothing and your $10 in free credit will stay in your account until you use it.