Last Night's Look: Love It or Leave It?

EMMA STONE

Ladies, this is how your color-block! Emma attends a photo call for The Croods at Berlin's Berlinarle International Film Festival in a Stella McCartney sheath, plus Jamie Wolf earrings, a Melinda Maria ring, Christian Louboutin pumps and a red lip.

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Last Night's Look: Love It or Leave It?

KATE UPTON

Incredibly covered up (at least compared to some of the other outfits she's been wearing!), the Sports Illustrated cover star attends a Las Vegas party for the magazine sporting an elegant white one-shoulder dress with sheer pumps and a simple updo.

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Last Night's Look: Love It or Leave It?

NAOMI WATTS

In Hollywood to celebrate Simon Baker as he receives his Walk of Fame star, the Oscar nominee inadvertently steals the spotlight thanks to her ultrachic houndstooth Roland Mouret sheath.

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Last Night's Look: Love It or Leave It?

KATE BOSWORTH

Air tie: check. Itty-bitty floral mini: check. High-top wedges: check. Undone California updo: check. Yep, this must be the trend-conscious, fashion-forward Kate Bosworth, who stops by the Topshop Topman grand opening in L.A.

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Last Night's Look: Love It or Leave It?

DEMI LOVATO

We commend Demi for finding creative ways to accessorize, even with a broken leg. The singer arrives at the Topshop Topman grand opening in L.A. wearing a studded leather vest and coordinating brace, as well as a gray tee, black leggings and a supersleek ponytail.

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Last Night's Look: Love It or Leave It?

BROOKLYN DECKER

Who needs a busy outfit when you have abs like these? The model turned actress shows off her toned tummy in a cropped black Sally LaPointe top with a pale pink skirt and black Jean-Michel Cazabat heels (plus Ariel Gordon earrings and a Jennifer Fisher cuff) at Gillette's World's Largest Shave and Kiss event in Times Square.

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Last Night's Look: Love It or Leave It?

CHRISSY TEIGEN

She's featured in the Sports Illustrated swimsuit issue for a reason! The model puts her enviable curves on display in a white mini with sparkling accessories (a clutch, heels and dangling earrings) at the SI Swimsuit Event in Las Vegas.

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Last Night's Look: Love It or Leave It?

MICHELLE WILLIAMS

The actress loves to mix whimsical and feminine, and her latest ensemble is no exception. She attends the Hollywood premiere of Oz The Great and Powerful in a cream sheath with rhinestone details that hits at the ankles, perfect for showing off those blinged out sandals (both by Prada) and her $30 Kate Young for Target clutch!

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Last Night's Look: Love It or Leave It?

JENNIFER LOPEZ

At the Topshop Topman opening party in L.A., J.Lo strikes a dramatic pose in equally dramatic outfit: a black-and-silver sequin Preen dress with a contrasting collar, plus leopard-print Brian Atwood heels with coordinating orange accents and a Bavna bracelet.

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Last Night's Look: Love It or Leave It?

MILA KUNIS

Looks like Mila is channeling a good witch (with good style) at the Hollywood Oz premiere in a cream lace A-line Dolce & Gabbana dress, Christian Louboutin peep-toe heels with bow accents and Sutra statement earrings.

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Last Night's Look: Love It or Leave It?

JULIANNE HOUGH

Keeping her look surprisingly streamlined, Julianne steps out at the Tommy Hilfiger flagship opening in Hollywood in a floor-length navy halter gown with a keyhole cutout, plus Monique Lhuillier heels, Adler earrings and Michael M. bracelets.

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Last Night's Look: Love It or Leave It?

MILEY CYRUS

The singer celebrates her March Cosmopolitan cover in a simple gray tank and white maxi skirt, but adds some edge with a gold statement necklace and a bit of hair elevation.

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Last Night's Look: Love It or Leave It?

KIM KARDASHIAN

Perhaps she's in the nesting phase? The mom-to-be covers her burgeoning baby bump with feathers, part of the sheer-and-lace outfit she selects for the Topshop Topman opening in L.A.

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Last Night's Look: Love It or Leave It?

RACHEL WEISZ

Rachel goes for a different look than her costars at the Oz premiere in Hollywood, showing off her curves in a sexy, fitted red Victoria Beckham gown, topped off with a sleek bun and flawless makeup.

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Last Night's Look: Love It or Leave It?

JESSICA ALBA

Rules are meant to be broken, which Jessica proves by wearing a whole lotta white in winter. She spices up her knee-length jacket and cigarette pants with black pumps, a Jimmy Choo clutch and red lips, plus Melinda Maria earrings and Graziela rings, at the Tommy Hilfiger flagship opening in Hollywood.

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Last Night's Look: Love It or Leave It?

KELLY OSBOURNE

Never one to shy away from risks, the Fashion Police host arrives at the L.A. Topshop Topman opening in a very revealing blazer, plus Karma El Khalil earrings, gunmetal pants and black Brian Atwood pumps.

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Last Night's Look: Love It or Leave It?

KATE BOSWORTH

The actress joins the star-studded red carpet at the Topshop Topman event in a gold graphic-print dress with strategically placed cutouts and Christian Louboutin heels.

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Last Night's Look: Love It or Leave It?

BEYONCÉ

What do you wear to the N.Y.C. premiere of a documentary all about you? We'd say Beyoncé definitively answers that question in a glittery champagne Elie Saab gown and Lorraine Schwartz jewelry.

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Last Night's Look: Love It or Leave It?

JULIANNE HOUGH

Recycling her silver pumps from the night before, the star shows her stems in a center-slit peplum halter dress by Christian Siriano at the SiriusXM studios.

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Last Night's Look: Love It or Leave It?

MIRANDA KERR

Clear Scalp and Hair picks another supermodel to be its famous face, this one representing the brand Down Under. Miranda celebrates in Sydney wearing a simple black dress, girlie ankle-strap heels and red lips.

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Last Night's Look: Love It or Leave It?

EVA LONGORIA

And what do you wear to celebrate chicken & waffles potato chips? Eva answers that question in a wide-belt black coat and matching boots, selected for a Lay's event in N.Y.C. (Stay tuned for our interview with the star!)

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Last Night's Look: Love It or Leave It?

ROONEY MARA

We totally support Rooney's addiction to neutrals when they're as pretty as this embroidered Valentino dress, worn with black Christian Louboutin pumps and a ballerina bun at the Berlinale International Film Festival premiere of Side Effects.

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Last Night's Look: Love It or Leave It?

OPRAH WINFREY

Beyoncé's biggest fan attends the star's documentary premiere in N.Y.C. in a navy V-neck dress and appropriately fabulous shoes.

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Last Night's Look: Love It or Leave It?

SOLANGE KNOWLES

Meanwhile, Beyoncé's little sis takes her share of the spotlight at the N.Y.C. screening thanks to a retro hairdo, white jacket, Diane von Furstenberg clutch and micro-mini.

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Last Night's Look: Love It or Leave It?

COLBIE CALLAIT

Looking "Bubbly" at N.Y.C.'s Red Dress Awards, the singer wears (what else?) a red dress and netural heels (another recycled pair?).

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Last Night's Look: Love It or Leave It?

COCO ROCHA

The star of The Face (and our newest celeb blogger!) poses pretty in leather leggings and a white fitted jacket at the SiriusXM studios in N.Y.C.

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Last Night's Look: Love It or Leave It?

SELITA EBANKS

Another top model works the red carpet in a split-personality black gown with a dramatic black fuzzy stole, Mizuki earrings and gold ankle-strap pumps, all worn to the N.Y.C. premiere of Life is But a Dream.

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Last Night's Look: Love It or Leave It?

JULIANNE HOUGH

The star of Safe Haven certainly doesn't play it safe, selecting a gray-and-white Georges Hobeika Couture dress with a flower motif and Swarovski crystals, plus cropped pants (also by the designer), Norman Silverman diamonds and metallic pumps, for the film's N.Y.C. premiere.

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Last Night's Look: Love It or Leave It?

KATE HUDSON

If you're going to attend the Elle Style Awards (held in London), you'd better show up looking, well, very stylish. And Kate does just that in a Stella McCartney gown fit for a bombshell: the red sweetheart creation features sexy lace panels on both sides, and is accessorized with Stephen Webster earrings.

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Last Night's Look: Love It or Leave It?

EMMY ROSSUM

We could talk about the skintight navy dress the Beautiful Creatures actress wears to a screening in New York City, but we're more interested in discussing her dramatic blue liner, slicked-back hair and amazing House of Lavande Vintage drop earrings.

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Last Night's Look: Love It or Leave It?

CHLOË MORETZ

If you're no longer in the cast of 30 Rock (which wrapped last month), we suppose the next best thing is to be in a Stella McCartney design. The young actress heads to London for the Elle Style Awards wearing a striped black-and-white mini by the designer, plus coordinating striped heels.

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Last Night's Look: Love It or Leave It?

VIOLA DAVIS

Viola just reignited our love of allover sequins with her dazzling long-sleeve trench-like dress, worn to the Beautiful Creatures screening in N.Y.C. along with chunky ankle-strap platforms, major bling and a sparkly Swarovski clutch.

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Last Night's Look: Love It or Leave It?

ELIZABETH OLSEN

Chilly London weather is no match for the actress, who stays cozy at the Elle Style Awards in a black leather-sleeved jacket, an edgy floral Christopher Kane mini, tights and booties.

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Last Night's Look: Love It or Leave It?

MIRANDA KERR

Down Under for a charity event in Sydney, the supermodel enjoys a sunnier climate in a graphic printed fit-and-flare mini, worn with white sandals and minimal jewelry.

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Last Night's Look: Love It or Leave It?

ROONEY MARA

The actress adds (gasp!) a hint of color to her red carpet look via a pale yellow panel on her out-there pinstripe pantsuit, which she pairs with sleek, center-parted hair and cap-toe pumps at a Side Effects photo call in Berlin.

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Last Night's Look: Love It or Leave It?

COLBIE CAILLAT

Here's someone we don't see on the red carpet often: The singer, who is featured on the Safe Haven soundtrack, attends the film's N.Y.C. premiere in a plunging cream gown with a Demarco ring, Isharya bracelets, a sleek updo and blush heels.

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Last Night's Look: Love It or Leave It?

VICTORIA JUSTICE

The Nickelodeon star wraps up in a fuzzy two-tone Funktional coat (perhaps she didn't see this?), worn with a d.RA animal print blouse, black cigarette pants, Stuart Weitzman heels and a Farbod Barsum clutch at the Beautiful Creatures screening in N.Y.C.

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Last Night's Look: Love It or Leave It?

ANNE HATHAWAY

It's a bird, it's a plane, nope it's just Anne Hathaway wearing what appears to be a superhero cape affixed to the back of her navy-and-black mini. She completes the look at the Berlinale International Film Festival in Berlin, Germany, with deep blue Casadei pumps (they're vegan!) and minimal jewels.

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Last Night's Look: Love It or Leave It?

NICOLE RICHIE

It's all black everything for Nicole who attends a pre-Grammys Salute to Industry Icons in Beverly Hills in the (non)color head to toe – dramatic black liner, a reptilian-print LBD, a coordinating clutch and pumps – save for her killer red talons and H. Stern jewels.

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Last Night's Look: Love It or Leave It?

JESSICA ALBA

To present at the Hall of Game Awards in Santa Monica, Calif., the actress goes short and structured in a metallic olive Roland Mouret mini, made winter-ready with opaque tights and black Christian Louboutin heels.

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Last Night's Look: Love It or Leave It?

AMANDA SEYFRIED

As soon as the Les Mis star returns from the International Film Festival in Berlin, we hope she'll swing by N.Y.C. and gift us this Nina Ricci halter dress with sheer slivers, sparkles and a sexy bare back. We'll take those strappy Rupert Sanderson sandals too, Amanda.

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Last Night's Look: Love It or Leave It?

CHARLIZE THERON

Looks like someone just discovered hair gel! She complements the slick hairstyle with a red lip and an elegant gray gown complete with a train and bling at the hip, plus Tiffany & Co. jewelry and Jimmy Choo heels.

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Last Night's Look: Love It or Leave It?

MILEY CYRUS

If Miley were at the Grammys, this revealing Emilio Pucci dress might not fly because of the award's shows wardrobe rules. So it's a good thing she selected it for a Pre-Grammy Salute to Industry Icons along with coordinating black bracelets and Emerson Ryder studs.

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Last Night's Look: Love It or Leave It?

ZOË SALDANA

Extending the life of the cutout trend, Zoë hits the Scientific and Technical portion of the Academy Awards in Beverly Hills in a strapless, calf-length dress in cream, plus a classic red pout and metallic Christian Louboutin peep-toe pumps.

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Last Night's Look: Love It or Leave It?

KATY PERRY

Does this sparkling Rafael Cennamo gown (worn for the Industry Icons Salute in Beverly Hills) remind anyone else of the blue Elie Saab Katy chose for last year's Grammys? Plus – check out her Misaki pearl earrings and that $1.5 million diamond ring by Norman Silverman.

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Last Night's Look: Love It or Leave It?

JENNIFER HUDSON

At the same pre-Grammys tribute, the only thing prettier than the singer's blush-colored Maria Lucia Hohan mini with a lattice bodice, which she accessorizes with Michael M. earrings and a Demarco cuff, is her impeccable makeup and cascading waves.

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Last Night's Look: Love It or Leave It?

OLIVIA WILDE

The newly engaged actress attends the Bulgari Celebrates Icons of Style event in N.Y.C., which seems appropriate since we'd like to celebrate this dress, a stunning blue creation with a black mirror image pattern on the front, to which she adds Bulgari jewelry and Jimmy Choo heels.

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Last Night's Look: Love It or Leave It?

JORDIN SPARKS

Could this be a personal fashion best for Jordin? The singer looks pretty stunning at the African American Film Critics Association Awards in Hollywood in this plunging white halter number.

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