Inside InStyle's new May issue are 151 incredible hair, makeup, and skin products featured on our expertly-researched 2011 Best Beauty Buys list. The lineup is so lustworthy, that we're giving some of the items away today! Today's prize includes two of our fragrance Best Beauty Buys, with products by Estee Lauder and Yves Saint Laurent, for a total value of over $100! Simply follow InStyle on Twitter (@instyle) and be the tenth person to retweet a special message (we'll tell you which one!). Pick up the May issue of InStyle for the complete list of 2011 Best Beauty Buys, on newsstands now!