Calling all Pinterest pros: Here's how you can amp up boards and win the ultimate beauty prize! You can enter to win a basket of makeup, hair products, skincare, and more from our 2013 Best Beauty Buys—all you have to do is pin them. Head over to Pinterest and create a board called "My Best Beauty Buys," then pin your top five favorite products from our extensive Best Beauty Buys database. Once you're done, enter your board URL at instyle.com/bbbsweeps. The five lucky winners will be rewarded with an amazing selection of products curated especially for them by our editors! The contest ends on May 16, so click the box below, cross your fingers, and start your board now! Here's to a Pin-teresting Sunday, indeed.