Queen of the "Nerd Prom?" The Parks and Recreation star and PEOPLE guest is glamorous at the White House Correspondents Dinner in an embellished white Basler gown with structural hip embellishments.
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 skirt (plus accompanying Christian Louboutin heels) at the White House Correspondents Dinner.
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.
Well, this is a print we're not used to seeing on the Duchess! She shakes things up at the inauguration of Warner Bros. Studio in Watford, England, wearing a polka-dot Topshop mini, plus a black blazer, clutch and pumps.
To celebrate Conde Nast Traveler's Hot List in South Beach, Julianne brings the heat in an orange A.L.C. maxi with a high slit that has us totally ready for summer (and on the hunt for a great self-tanner).
Speaking of prints… At the Funny Girl screening in L.A., the actress steals the show in a tuxedo blazer with funky patterned sleeves, paired with coordinating silk pants (both by Parker), Amrapali earrings and chic black accessories, including a Me Char clutch.
Another pretty, feminine look from the actress, this one a gauzy white Tory Burch gown embellished with bold red flowers and paired with satiny red sandals to celebrate the release of her album "Sentimental Journey" in L.A.
We'd match our pedi to our dress too if the dress in question were as gorgeous as this peplum Monique Lhuillier number. The Revenge actress selects the patterned aqua dress (along with a yellow clutch and black stilettos, both Jimmy Choo, and Baccarat jewels) for the College Television Awards Gala in L.A.
She's wearing a duo-chromatic neoprene top (Giorgio Armani), but no, she's not SCUBA diving; she's attending an event for the designer in L.A. The actress pairs the unique tank with black pants then adds some shimmer via metallic accessories, including Sethi Couture hoops and a Jimmy Choo clutch.
If you're going to attend a Vogue dinner in honor of Michael Kors in London, you'd better show up looking fabulous in top-to-bottom Michael Kors. The model does just that with a leaf-print strapless dress and yep, more white pumps (hers are Jean-Michel Cazabat).
Kate, why are you on a red carpet for a House of Cards event in Hollywood when you know all we want you to do is film more episodes of the show?! The actress defies our wishes in a Mulberry shorts suit in a lacy floral print with a contrasting floral collar and Brian Atwood pumps.
Should we take this baby-blue hue as a sign, Kate? She selects a sleeveless Emilia Wickstead dress for The Art Room reception in London, and tops it off with gray suede Rupert Sanderson pumps and her signature cascading curls.
Yes, you're looking at a 50-year-old woman. She proves she hasn't lost her youthful sense of style in a plunging black jumpsuit with sheer sleeves and lace at the décolletage, chosen for the AFI's Night at the Movies in Hollywood.
The one thing we love just as much as watching Mad Men? Watching January on the red carpet. The actress pairs a Juicy Couture LWD with a metallic jacket, and completes the look with black-and-white pumps at an event for the show in N.Y.C.
The supermodel sports yet another skintight dress. She dresses up this one, a red mini, with strappy sandals for the America's Got Talent premiere party in Hollywood.
Oh, NBD, just another couture homerun for the 13-year-old Mad Men star. Kiernan wows in a checkered denim dress, black booties and a hot-pink bag, all Chanel, for the brand's Artists Dinner Party at the Tribeca Film Festival.
How many trends can one girl wear at once? Let's see: bold print, peplum, high neckline, crop top, top knot. The actress pulls it all off in a two-piece Katie Ermillo creation, A Peace Treaty ring and Ruthie Davis pumps at the premiere of Iron Man 3 in Hollywood.
There's something fishy going on here. We're talking, of course, about the scales on the actress's Fendi silk dress, which she wears with maroon pumps for the N.Y.C. Mad Men event.
What a fierce fashion choice! The new mom, who usually opts for minimalist looks, wears an animal-print, flounced-hem dress, a chic statement necklace and pumps (all by Lanvin) at the TIME bash.
The actress leaves her daring designer duds at home and steps out in something we could actually wear: a flowy Zara top, Helmut Lang leather pants, an Elizabeth and James denim jacket and Christian Louboutin booties at the Paley Center Mad Men presentation in N.Y.C.
Uma keeps it simple, yet super chic in a royal blue Louis Vuitton shift, black strappy sandals and gold danglers at the Louis Vuitton Mansion grand opening in Munich, Germany.
We applaud Lena for taking the plunge, but we're not sure this look is working for her. The Girls star braves a Saint Laurent gold dress with a super-low neckline and spiked waistband, plus sky-high T-bar heels (also Saint Laurent) at the TIME 100 Gala in N.Y.C.
On the opposite end of the style spectrum at the Time event, the Parks and Recreation star plays it safe in a black-and-nude long-sleeve Tadashi Shoji lace dress and peep-toe Stuart Weitzman heels.
With her high-end fashion prowess, we wouldn't be surprised if Kiernan graces the cover of Vogue soon. The 13-year-old star nails it once again in a floral frock, Dana Rebecca Designs earrings and pointy black pumps at the Paley Center Mad Men presentation in N.Y.C
Thank you, Olivia, for bringing a serious burst of color to the TIME 100 Gala. The actress stuns in a canary yellow lace gown by one of the night's honorees, Michael Kors, plus a gold Ofira cuff.
Hey Julie, can we borrow your floral Monique Lhuillier frock for an upcoming wedding? The actress pairs the summery number with nude strappy sandals and a print Vince Camuto clutch at an Oscar de la Renta and Elizabeth Street party in West Hollywood, Calif.
Who knew a knee-length sweater dress could be so freakin' sexy? Kate nails it in the cream Jenny Packham creation, Jimmy Choo clutch and Casadei pumps at the Reluctant Fundamentalist premiere during the Tribeca Film Festival in N.Y.C.
We've never wanted to borrow an outfit from Betty Draper, but we'd definitely like to get our hands on the printed Parker mini and Versace moto jacket the actress selects for the BAFTA New York Mad Men event in N.Y.C.
The supermodel keeps things simple in an expected strapless LBD with studs by Hervé Léger and black strappy sandals at the NBC Universal summer press day in Pasadena, Calif.
George Washington called; he wants his collar back. The TV personality goes retro, wearing her interesting neck accoutrement with a black mod dress, clunky white Aldo platforms and a bouffant at the E! upfront in N.Y.C.
The bombshell covers up more than usual in a black, long-sleeve dress and matching Stuart Weitzman pumps at the BAFTA Mad Men event in N.Y.C. The only pop of color (besides her mane, of course): those bold red lips.
The oldest Kardashian sister takes a bit of a style risk in a navy crocodile-embossed Mlle dress with tan pumps and a Cuyana stainless steel statement necklace, but pulls off the look at the E! upfront in N.Y.C.
The tween star nearly steals the spotlight from her Mad Men female costars at the Mad Men event in N.Y.C. (no easy feat) in a black Dolce & Gabbana dress with sweet bows at the shoulders, plus mesh heels and perfectly polished curls.
Don Draper's on-screen wife looks regal in an emerald-green knee-length L'Wren Scott dress embellished with gold sequins at the collar, accessorized with cuffs and Casadei heels at the N.Y.C. Mad Men celebration.
She left her tracksuit at home! The comedienne goes glam in a red sequin Theia dress, silver Aldo sandals and a sparkly clutch at the premiere of her new movie Pain & Gain in Hollywood.
There's no denying Charlize wows in her black Jason Wu halter jumpsuit and Van Cleef & Arpels bangles at the GLAAD Awards in L.A. Still up for debate, though: that gold belt.
The Aussie actress takes the plunge in this Alexander McQueen dress for the premiere of her film Sunlight Jr. at the Tribeca Film Festival in N.Y.C. She pairs the bold-patterned frock with bold Monique Péan danglers, a blood-orange clutch and chunky black platforms.
We're mad about Kirsten's mod Emilio Pucci lace mini, sported at the GLAAD Awards in L.A., and we have to admit we feel the same way about her cute ribbon headband.
It's official: Dakota's little sister has her own unique brand of standout style. The actress steals the spotlight in a whimsical Lanvin gown with plenty of volume at the hips. She accessorizes the frothy creations with a Jennifer Behr headband and Neil Lane jewels for the GLAAD Awards in N.Y.C.
Let's all take a moment to obsess over Rumer's cascading ombré locks. Now let's move on to her chic black halter gown (with a fun satin collar) and croc clutch, spotted at the GLAAD awards in N.Y.C.
Rowland confidently rocks a whole slew of white-hot red carpet trends (high halter neckline, sheer panels, jumpsuit, a high waist) via her over-the-top Izmaylova creation at the annual GLAAD Awards in L.A.