Jessica Alba was the evening's golden girl in a heavily detailed Versace gown at the Academy Awards.
Jennifer Aniston was bewitching in a deceptively simple black Rochas gown at the Academy Awards.
Showcasing her famous hourglass physique, Jennifer Lopez was va-va-voom in this Versace goddess gown at the Costume Institute Gala.
Kate Hudson took the plunge in this gunmetal beaded Diane von Furstenberg gown at the L.A. premiere of You, Me and Dupree.
Ziyi Zhang stood out from the crowd at the Golden Globes in this exuberant chartreuse Giorgio Armani gown.
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.
Echoing the bold neckline, the train on Michelle Williams's Vera Wang dress at the Academy Awards was finished in delicately pleated chiffon.
A newcomer to the fashion scene, Rihanna stepped up with this intricately draped Max Azria Atelier gown at the CFDA Awards.
Keira Knightley looked nothing short of regal at the Oscars in her ruched Vera Wang taffeta gown.
Mischa Barton made the most of her statuesque frame in this nude tulle strapless stunner at the Prince's Trust Summer Ball in London.
Playing up her eyes, Evangeline Lilly had us green with envy for her Elie Saab gown at the Golden Globes.
No one could mistake Charlize Theron's second-skin Giorgio Armani gown at the Screen Actors Guild Awards for just another little black dress.
Beyoncé was pure elegance in this heavily gathered white Roberto Cavalli gown at New York City's Rainbow Room.
Marcia Cross sets off her ivory skin and lustrous red locks with this lovely lavender Vera Wang gown at the Screen Actors Guild Awards.
Zoe Saldana looks like a modern-day goddess in her velvet-belted J. Mendel column at a People en Español gala.
Heidi Klum glows – as expectant mothers tend to do – in a feather-light J. Mendel gown at the CFDA Awards.
Rosario Dawson is sizzling in this one-shouldered Gucci gown at the world premiere of Rent in New York City.
Penélope Cruz is pretty in pink – a pink lace Carolina Herrera gown, that is – at the London premiere of Volver.