This lady knows her way around the district! Okay, the Scandal star's D.C. life may be fictional, but Washington still commands attention from the Oval Office's inner circle in her dramatic gown, with its patterned, asymmetrical-train Wes Gordon skirt (plus accompanying Christian Louboutin heels).
Queen of the "Nerd Prom?" The Parks and Recreation star and PEOPLE guest is glamorous in a white Basler gown with structural hip embellishments.
Now, we know what the Hunger Games star looks like in The Capitol. But here's what she looks like in our nation's capital. The actress is elegant in a deep copper Roland Mouret gown, polished black Edie Parker clutch and rose gold Irene Neuwirth earrings.
Carrie Mathison may be persona non grata at the White House, but her real-life alter ego is one of the most popular girls in the room in a powder-blue belted gown with beaded trim – and some fabulously feathered bangs.
The Nashville beauty gets a little lemon aid from her chiffon Katharine Kidd gown (anyone else getting a Beauty and the Beast vibe?), worn with milkmaid braids and a red lip.
The star goes ultra-girlie in a cream Lela Rose gown with an embellished bodice and a high-low hemline, plus a top-knot and classic accessories, including Rene Caovilla sandals, a Jimmy Choo clutch, Sutra earrings and an Amrapali ring.
Hayden's Nashville costar trades her onscreen sparkly costumes for a head-turning cerulean-blue lace Temperley London gown, matching Foley + Corinna clutch and Kwiat jewels.
Looking appropriately elegant for the event, the Mad Men actress chooses a one shoulder midnight blue Antonio Berardi design, which she complements with a pretty updo and gorgeous Nam Cho jewels.
The House of Cards actress stands out in a super-chic white Prada number with bow detail at the neck, plus a sparkly clutch, Ishayra bracelet, smoky eyes and a sleek hair look.