American Music Awards' Style Stars

From Beyoncé to Carrie to Rihanna, see who rocked the red carpet. By Melissa Liebling-Goldberg

  • RIHANNA  photo | Rihanna

Credit: A. M. Parks/IPHOTO

Updated: Monday Nov 19, 2007 | 12:00 PM EST

RIHANNA

Before changing into a dramatic Zac Posen for her performance, the singer sparkled on the red carpet in a black velvet and Swarovski crystal-encrusted Armani Privé dress.