With epic performances by Britney Spears, Rihanna, and Madonna, to name just a few, and a star-studded presenter list, the Billboard Music Awards have outdone themselves this year. And the same goes for the event's fashion-filled red carpet, too. Kesha's purple embroidered suit and Ciara's revealing sequin number immediately come to mind. But that's just the beginning. Keep reading to see all the standout arrivals.