Selena Gomez shook up her stage look with crystals and fringe! The pop star kicked off her summer tour in Boca Raton, Florida wearing a sparkle-studded bustier top and beaded skirt. Of course, Gomez isn’t the only singer with fab performance style. We’ve rounded up this season’s best concert outfits, from Taylor Swift's signature floaty frocks to Rihanna's bold and bright looks. Click through the gallery to see this summer’s hottest tour styles, and tell us, have you seen these ladies in concert yet?