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

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CHARLIZE THERON

Snow White’s shows some skin at the Prometheus premiere in London, rocking a leg-baring midnight blue Dior Haute Couture mini with a high slit, T-strap black heels and Bulgari jewelry.

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EVA LONGORIA

Swapping frothy gowns for an edgier look, is sexy and unexpected in a laser-cutout leather Marchesa dress, black platforms and a pulled-back bouffant at the For Greater Glory L.A. premiere.

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HAYDEN PANETTIERE

The fresh-faced is white hot in an on-trend LWD, nude pumps and pretty danglers at the CTV Upfronts in Toronto.

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ALICIA KEYS

Covering up never looked so good! The stops by the Social Innovation Summit in New York City working a menswear-inspired blazer and maxi skirt teamed with a bright teal statement necklace.

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MARY-KATE OLSEN

An unexpected outfit for most, but a totally normal pick for the – she sports a grandma-chic ensemble including an oversize black frock, orange clutch and color-block sandals at the Fresh Air Fund event in New York City.

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KATHARINE MCPHEE

The actress looks ready to hit the beach in a breezy black crochet maxi dress, jeweled thong sandals and a tousled topknot at the Variety Emmy event in West Hollywood.

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MARY J. BLIGE

Saving the drama for the red carpet, the singer offsets a draped blue dress with megawatt drop earrings and sexy sandals at the Armani fashion show in Beijing.

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JULIANNE HOUGH

The offsets her golden locks with a sheer sequined black Andrew Gn skirt and top and matching sandals at an L.A. fete celebrating her Glamour cover.

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SALMA HAYEK

Looking lovely in head-to-toe purple, sticks to a feminine color palette in her sequin turtleneck dress and matching clutch and heels at the Prometheus London premiere.

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LILY COLLINS

Also at the Glamour event in L.A., the actress tries a number of trends – a collared shirt under a printed dress, a cognac cross-body and a braided do – and pulls them off with panache.

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ANNA PAQUIN

The barely showing kicks off season 5 of True Blood in Hollywood wearing a look we’d really like to sink our teeth into: an asymmetrical black Rachel Comey dress and Casadei pumps with Stephen Webster earrings and bracelet and one (yep, just one) Jennifer Meyer earring.

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CHARLIZE THERON

Taking a break from her Snow White world tour, the wears a body-con lace sheath, J/Hadley bangle and black sandals to promote her next flick, Prometheus.

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KRYSTEN RITTER

Also breaking out a killer ensemble to toast True Blood in Hollywood, Krysten shows slashes of skin in her slim-fitting frock, accessorized with strappy sandals and a tube clutch (both by Jimmy Choo) and David Yurman gems.

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KATE MOSS

As the face of Spanish brand Mango, the supermodel struts her stuff in a strong-shoulder blazer, cigarette pants and sexy sandals for the brand’s Fashion Awards in Barcelona.

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WHITNEY PORT

The takes a walk on the wild side in a pair of nature-inspired leggings, $55 leopard-print Vans and a bright red Rebecca Minkoff chain-strap purse at the Vans Custom Culture contest in Long Beach, Calif.

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SHENAE GRIMES

Though she loves to take fashion risks, the 90210 star sticks to a sweet head-to-toe Reformation look for the Gabrielle’s Angel gala in N.Y.C., belting a floral-print dress and adding a button-up and ankle-strap pumps.

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NELLY FURTADO

Whoa, Nelly! Apparently, the singer doesn’t want just her album to go gold. She wears metallic painted-on skinnies, a sheer tee (over a bright bra) and strappy platforms to stop by the SiriusXM Studio in N.Y.C.

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ALEXA CHUNG

Living up to her fashion icon title, Alexa attends the Royal Academy of Arts Summer Exhibition Party in London looking both sophisticated and adorable in a retro black-and-white Moschino mini, modest ankle-strap heels and a summery clutch.

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KRISTIN BAUER

She may play a vamp on TV, but she looks like a lady at the True Blood Hollywood premiere in a tea-length gold-and-white frock polished off with nude peep-toes, Vahan bracelets and a gold clutch.

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MICHELLE WILLIAMS

All the women who look so stylish, throw your hands up at me! former bandmate strikes a pose in a long-sleeve color-block sheath, T-strap heels and a gorgeous statement necklace at the Clarins Million Meals Concert for FEED in N.Y.C.

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CHRISSY TEIGEN

Red Carpet Fotos Mayer/Splash News Online

Also at the Clarins event in N.Y.C., the Sports Illustrated model is a knockout in a black column dress with a sexy keyhole cutout, plus a gold clutch and a pretty updo.

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JESSICA ALBA

Nightie night! gets romantic at London’s Glamour Women of the Year Awards in a long, tiered, black Alexander McQueen gown accented with negligee-like details, plus a studded clutch, Bulgari ring and a sleek updo.

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KRISTEN STEWART

Working the menswear trend at an L.A. screening of Snow White and the Huntsman, looks chic in a tailored blazer, high-collar button-up, black flared skirt and pointed platforms, plus a Melinda Maria ring.

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LEA MICHELE

turns it out at London’s Glamour awards in an off-the-shoulder sapphire mermaid gown by Zac Posen, blue-and-green Lorraine Schwartz statement earrings and Casadei heels.

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EVA LONGORIA

Also in London for the Glamour event, leaves her over-the-top gowns at home and instead opts for a curve-hugging orange Victoria Beckham sheath, nude ankle-strap Brian Atwood platforms and a simple white clutch.

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SOFIA VERGARA

Joining her fellow bombshells at the Glamour bash in London, the shows off her head-turning assets in a flirty red printed strapless dress, peep-toe platforms, shiny danglers and loose curls.

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NAOMI WATTS

brings plenty of sex appeal to the Glamour red carpet in London in an embroidered Versace column with a daring low-cut back and sparkly straps. She balances out her superhot dress with a laid-back pony and minimal makeup.

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KELLY ROWLAND

Also bringing her fashion A-game to London’s star-studded Glamour event, Kelly poses in a silky black halter gown with a major train and bold white print on the back, plus dazzling diamond hoops and sleek hair.

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LILY COLLINS

Lily proves that spring fashion doesn’t have to mean floral dresses and prissy pink lipstick. She stands out in an elegant forest-green strapless design, deep red lips and Bulgari gems at Glamour’s Women of the Year party in London.

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KATRINA BOWDEN

The actress goes nude – with her clothing choice, that is – wearing a pale embroidered Pavoni mini with matching pumps and Swarovski jewelry to a Piranha: 3DD screening in L.A.

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CHRISTY TURLINGTON BURNS

The supermodel looks more stunning than ever in a breezy white mini, violet sandals and a megawatt smile at the Hudson River Park gala in N.Y.C.

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JENNIFER HUDSON

On hand in Atlantic City, N.J. to check out hot new concert costumes, the wears a vibrant yellow top and heels, paired with high-waist jeans and gold jewels.

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EVA LONGORIA

From the French Riviera to the City of Lights, keeps the all-out glamour coming, attending the Global Gift gala in a dazzling sequined bronze Reem Acra dress and high pony.

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KIM KARDASHIAN

Also bringing her star power to Atlantic City, the goes demure on top and super-sexy from the waist down in a turtleneck mini and strappy sandals to host a pool party at Harrah’s.

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JESSICA BIEL

Wedding belle-to-be steps out in a flowing white gown of another kind for a Total Recall press conference.

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JENNIFER LOPEZ

Short, sequined and sexy was in order for the , who sported a glittery gold Valentino mini with H.Stern earrings, a pearly clutch and black heels at Mystère by Cirque do Soleil in Las Vegas.

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JENNIFER LAWRENCE

In Monte Carlo, Monaco for the glam Grand Prix, the gets engines revved in a cutout, slit black dress, Bulgari gems and a golden clutch at the Amber Lounge fashion show.

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RACHEL BILSON

In a sunny yellow mini and sparkly heels, the Magnum accessorizes with the ice cream treat at an event in Toronto.

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MARIAH CAREY

Still showing off her hard work in a form-fitting black mini and stacked wedge heels, the is all smiles at a photocall in Rabat, Morocco.

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VANESSA HUDGENS

The glows in a cream embroidered Philosophy di Alberta Ferretti gown, loose locks and minimal jewelry at the Amber Lounge fashion show.

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MALIN AKERMAN

In a sweetheart-neckline black jumpsuit, pointed Louis Vuitton pumps and stacks of bangles, the actress gets a little ’80s at a Memorial Day bash in West Hollywood.