Nominated for Best Actress for her performance in Zero Dark Thirty, Jessica Chastain wore a simple — yet stunning — custom Armani Prive gown with plenty of sparkle. We're getting major Marilyn Monroe vibes!
Amy Adams, who is nominated for her role in The Master, wore a voluminous sea foam gown by Oscar de la Renta.
Presenter Reese Witherspoon chose a black and navy Louis Vuitton gown and jewels, accented with a Veronica Lake-inspired hairstyle of side-swept curls.
Beasts of the Southern Wild's 9-year-old Best Actress nominee Quvenzhané Wallis wore an Armani dress that she chose because it was "sparkly and fluffy," paired with a puppy dog purse. Cute overload!
Django Unchained actress Kerry Washington wore a bodycon coral Miu Miu gown with a bedazzled bodice.
Amanda Seyfried, who performed at the ceremony with her Les Misérables cast, chose a metallic Alexander McQueen gown with a halter neck and intricate embroidery.
Presenter Octavia Spencer chose a cream-colored Tadashi Shoji gown.
Jennifer Lawrence — our current favorite celebrity on the planet — wore a white structural gown by Dior Haute Couture. Our favorite part? The delicate diamond back-lace she paired with it.
Lincoln's Sally Field looked fabulous in a long-sleeved crimson Valentino gown.
Performer Jennifer Hudson chose a sexy Roberto Cavalli gown.
Zoe Saldana wore one of the most interesting looks of the evening — an Alexis Mabille Couture dress with floral appliques and a multi-colored train.
The Impossible's Naomi Watts smoldered in a silver Armani Prive gown.
Charlize Theron looked statuesque in a stunning white Dior Haute Couture gown.
Best Supporting Actress nominee Anne Hathaway waited until the very last second to choose her gown — a pale pink silk Prada gown.
Catherine Zeta-Jones looked fierce in a gold Zuhair Murad gown.
Jennifer Aniston rocked a cherry red Valentino gown to present at the awards ceremony.
Helen Hunt, who is nominated for her role in The Sessions, surprised us all when she announced that she was wearing a gown by H&M's eco-friendly collection.
Adele looked amazing in a bejeweled Jenny Packham gown, which she estimates weighed more than 15 pounds.
The Paperboy actress Nicole Kidman showed us all how to do sequins right in this L’Wren Scott column gown.
Jennifer Garner cheered on her hubby Ben Affleck, whose film Argo is up for all of the major awards, in a custom plum gown by Gucci.
Red carpet risk taker Kristen Stewart chose a sheer Reem Acra gown with an unexpected accessory — a pair of crutches!
Who knew Eponine could look so sexy? Les Misérables star Samantha Barks chose a simple Valentino gown with a plunging neckline.
We think that Halle Berry's dress was one of the coolest gowns of the night — a sparkly Versace with stripes, cutouts, and strong shoulders.
Sandra Bullock looked stunning in a sheer embroidered gown by Elie Saab.
Stacy Keibler looked gorgeous in a glittering right-off-the-runway Naeem Khan gown.
Salma Hayek looked positively regal in a high-necked Alexander McQueen gown.
Renee Zellweger kept it simple in a gold Carolina Herrera gown.