Michelle Obama
The First Lady chatted up host Joel McHale during dinner, all while wearing a beautiful, off the shoulder white dress.
Jessica Simpson
The singer showed off a tiny waist in her flowery Carolina Herrera gown and Neil Lane earrings before the dinner.
Lupita Nyong'o
The Oscar-winning actress once again rules the red carpet in a fun and flirty Oscar de la Renta polka dot number.
Darren Criss
The Glee stud is looking dapper as he walks the red carpet in D.C.
Kristen Bell
The Frozenstar kept up her icy theme by donning a navy blue Dolce & Gabbana gown with a Christian Louboutin clutch.
Olivia Munn
From The Newsroom to the red carpet! Olivia is no stranger to the annual political laughfest.
Alicia Quarles
Our very own E! star looks radiant in a sheer, purple dress.
Sofia Vegara
The Modern Family star is a vision in a Rachel Zoe gold and pink gown as she walks the carpet before the main event.
Julia Louis-Dreyfus
The Veep star adds a little sparkle to her black dress.
Cynthia Nixon
The Sex and the City star is glowing in head-to-toe colors and her signature pixie cut.
Katie Couric
The global news anchor for Yahoo News wears a daring, sexy lace dress on the red carpet.
Kevin Hart & Eniko Parrish
The 34-year-old actor-comedian took his model girlfriend to the annual Washington dinner.
Freida Pinto
The Immortals star shows a little skin in a custom Thakoon metallic gown.
Katharine McPhee
The former Smash actress shows a bold mix of red and pink in D.C.
Anna Chlumsky
From Veep to chic, Anna isn't afraid to show some skin for the big Washington event.