The fashion competition was fierce this week, with a slew of stylish stars stepping out in head-turning ensembles. Here, the top four chicest celebs:

Cameron Diaz, 38, chose a black and gold sequined Emilio Pucci tunic, whcih showed off her mile-long legs, and Lanvin pumps for the Bad Teacher premiere in Moscow.

Rosie Huntington-Whiteley, 24, looked spectacular in a plunging Michael Kors bodysuit and ivory trousers for an appearance on the Late Show with David Letterman in New York City.

Jennifer Hudson, 29, showed off her super slim body (seriously, is she getting skinnier by the second?!) in a white Michael Kors minidress and platform sandals at the amfAR Inspiration Gala in New York City.

Catherine Zeta Jones, 41, stunned in a shimmering red open-back Elie Saab gown at the Tony Awards in New York City, where she was a presenter.

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134 Votes
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478 Votes
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405 Votes
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231 Votes

Watercooler Poll

Which Star Was Best Dressed This Week?

Cameron Diaz
Rosie Huntington-Whiteley
Jennifer Hudson
Catherine Zeta Jones