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Jessica Alba was the evening’s golden girl in a heavily detailed Versace gown at the Academy Awards.
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Jennifer Aniston was bewitching in a deceptively simple black Rochas gown at the Academy Awards.
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Showcasing her famous hourglass physique, Jennifer Lopez was va-va-voom in this Versace goddess gown at the Costume Institute Gala.
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Kate Hudson took the plunge in this gunmetal beaded Diane von Furstenberg gown at the L.A. premiere of You, Me and Dupree.
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BEST VIBRANT HUE
Ziyi Zhang stood out from the crowd at the Golden Globes in this exuberant chartreuse Giorgio Armani gown.
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Nicole Kidman may have been giving a hint about her future wedding dress at the Academy Awards (left) – both gowns were designed by Nicolas Ghesquiere for Balenciaga.
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Echoing the bold neckline, the train on Michelle Williams’s Vera Wang dress at the Academy Awards was finished in delicately pleated chiffon.
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A newcomer to the fashion scene, Rihanna stepped up with this intricately draped Max Azria Atelier gown at the CFDA Awards.
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Keira Knightley looked nothing short of regal at the Oscars in her ruched Vera Wang taffeta gown.
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Mischa Barton made the most of her statuesque frame in this nude tulle strapless stunner at the Prince’s Trust Summer Ball in London.
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BEST JEWEL TONE
Playing up her eyes, Evangeline Lilly had us green with envy for her Elie Saab gown at the Golden Globes.
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BEST SEXY CLASSIC
No one could mistake Charlize Theron’s second-skin Giorgio Armani gown at the Screen Actors Guild Awards for just another little black dress.
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Beyoncé was pure elegance in this heavily gathered white Roberto Cavalli gown at New York City’s Rainbow Room.
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MOST FLATTERING COLOR
Marcia Cross sets off her ivory skin and lustrous red locks with this lovely lavender Vera Wang gown at the Screen Actors Guild Awards.
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BEST GREEK REVIVAL
Zoe Saldana looks like a modern-day goddess in her velvet-belted J. Mendel column at a People en Español gala.
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Heidi Klum glows – as expectant mothers tend to do – in a feather-light J. Mendel gown at the CFDA Awards.
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Rosario Dawson is sizzling in this one-shouldered Gucci gown at the world premiere of Rent in New York City.
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Penélope Cruz is pretty in pink – a pink lace Carolina Herrera gown, that is – at the London premiere of Volver.
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You’ll find lots more celebrity photos like these inside PEOPLE’s Best & Worst 2006, on sale at newsstands now. Grab one now while you can!