Wearing a vintage velvet and satin gown from Valentino's 1982 collection, Roberts collected the Oscar for Best Actress for "Erin Brockovich."
The blonde finger waves, bronzed skin and a gorgeous open-back beaded Gucci dress make this one of our favorite looks of all time.
The feathered blush Atelier Versace gown Cruz wore in 2007 was a throwback to Old Hollywood glamour.
Jolie proved there's nothing basic about black when she paired this Elie Saab gown with Lorrain Schwartz emerald earrings in 2009.