In-your-face, avant-garde fashion has made its way into the world of hip hop — Rihanna didn't always used to rock Rodarte laser leggings. In the Pon de Replay music video, she was more club girl than Karl's girl. Beyonce embraced gutsier costumes by enlisting Thierry Mugler as her creative adviser for her tour. And Ciara? As of late, she's been stepping out in daring leather pieces that rival Rihanna's. All three singers have got it going on, but who's more fierce?