The stars brought some serious style to the nation's capital for the 2014 White House Correspondents' Dinner. Michelle Obama, Olivia Munn, Lupita Nyong'o, and more wore stunning ensembles to Saturday's festivities (a.k.a. "Nerd Prom"). Take a look at the most beautiful gowns in our gallery!
1. Lupita Nyong'o
The Academy Award winner looked picture perfect in her black Oscar de la Renta gown with a polka-dotted peplum bodice.
2. Olivia Munn
The Newsroom actress donned a pale pink J. Mendel gown with a halterneck that flattered her curves.
3. Taylor Schilling
The actress left those Orange scrubs at home and looked gorgeous in a navy Zuhair Murad number that featured a small train, lace panels at the waist, and sheer sleeves.
4. Michelle Obama
The First Lady looked ravishing in a gray tulle Marchesa gown with a dropped-shoulder portrait neckline.
5. Julia Louis-Dreyfus
The Veep star garnered laughs in a video short with Vice President Joe Biden at the dinner, but on the red carpet she turned heads with a black Antonio Berardi gown.
6. Sofia Vergara
The Modern Family actress shimmered in a gold and cream Romona Keveza gown. She accented the asymmetrical neckline with a bold gilded necklace.
7. Rose McGowan
McGowan arrived on the red carpet in a shimmery black and copper-pink Ulyana Sergeenko gown that featured a lengthy train.
8. Julianna Margulies
The Good Wife star was the portrait of elegance in a simple black Jean Dessès gown.
9. Jessica Simpson
The star dazzled in a strapless white Carolina Herrera gown with a large black floral print and a dramatic train.
10. Freida Pinto
Pinto opted for a custom Thakoon dress in a peach shade that had a playful triangular cutout in both the front and back.