Fashion Faceoff

Sometimes, stylish star minds think alike. You decide: Who wears it better? Vote on Hayden vs. Sienna and more. By Melissa Liebling-Goldberg

RIHANNA VS. KIMBERLY

The sexy singer sizzled in her Gucci dress at the Kids Choice Awards, while the soon-to-be reality tv star got into the pattern mix with her printed mini while out to dinner in L.A.