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Cameron Diaz, Leonardo Dicaprio

NEW YORK, NY - NOVEMBER 10: Cameron Diaz and Leonardo DiCaprio attend TAG Heuer Celebrates A Night Under The Stars With Ambassador Cameron Diaz To Launch Limited-Edition LINK And Benefit UN Women And New York Cares' Sandy Relief Effort on November 10, 2012 in New York City. (Photo by Rob Loud/Getty Images for TAG Heuer)

2 Hot 2 Handle

This week's best-dressed crew includes Christina Ricci, Nikki Reed, and Rihanna. -- By Matt Whitfield, Yahoo! Staff