Best of 2009

Most Outrageous Faceoffs

From the dresses you can't believe were worn twice – to the stars you'd never imagine having the same taste! – see the most amazing match-ups of the year

  • ANNE VS. MARIAH photo | Anne Hathaway, Mariah Carey

Credit: Richie Buxo/Splash News Online; Jun Sato/WireImage

Updated: Tuesday Nov 24, 2009 | 06:00 AM EST By: Melissa Liebling-Goldberg

More from PEOPLE

Top 10 Unforgettable Pet Moments of 2009

Top 10 Unforgettable Pet Moments of 2009

From First Dog Bo's arrival to Jessica's coyote tragedy, these animals made big news

SEE PHOTOS

1 of 21

ANNE VS. MARIAH

Hathaway flaunted her figure in her second-skin Hervé Léger by Max Azria dress at NBC studios in N.Y.C., while Carey topped off her red-hot mini with a trench for her arrival at the Narita airport in Japan.