20 Spring Must-Haves Under $100February 14, 2011 at 8:52 PMLink CopiedRead full article1 / 20Zara Party Messenger BagPhoto by: Courtesy of ZaraZara Party Messenger Bag-Polyurethane, $36; zara.com.Also on InStyle.com Celebrity Beauty Tips and Tricks10 Hairstyles that are Always In StyleDrew Barrymore's TransformationLady Gaga's Transformation More Must Haves Under $100 View comments