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

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ZOË SALDANA

In a look that’s equal parts girlie and sophisticated, the actress wears a red-edged, ruffled top with graphic floral shorts, ankle-strap pumps and a slicked-back ponytail at a M.A.C party celebrating designer Prabal Gurung’s resort collection in N.Y.C.

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MICHELLE WILLIAMS

A lace-up bodice gives an unexpected kick to the little black dress by Altuzarra, which is made even sexier thanks to her killer white heels, Jade Trau for Forevermark gems and her pop of bright lipstick at an N.Y.C. screening of Take This Waltz.

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MILA KUNIS

Also updating a plunging-neckline LBD with fierce footwear, the Ted accents her Dior peplum dress with forest green Christian Louboutin heels and Dior Fine Jewelry at the film’s L.A. premiere.

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EMMA STONE

She’s on her eighth city and shows no signs of slowing down, style-wise! In Madrid to promote The Amazing Spider-Man, goes girlie in a lacy, floral-embroidered Dolce & Gabbana dress, worn with nude Christian Louboutin heels and a demure do.

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ASHLEE SIMPSON

Not everyone would think to team wild patterned shorts with a bright polka-dot top, but gives it a shot at the Samsung Galaxy SIII launch in Beverly Hills, then ups the ante further with platform sandals, a metallic bag and tassel earrings.

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ANNA KENDRICK

At the same Samsung event in Beverly Hills, the actress opts for a slightly lower-key look, pairing black skinnies with a lacy, tiered button-up and simple pumps.

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BRITTANY SNOW

The star is tutu cute in a ballet-inspired, full-skirted black Keepsake mini, worn with blush satin heels, Le Vian gems and a small black Kotur clutch at the L.A. premiere of Ted.

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CAT DEELEY

Also attending the Beverly Hills Samsung bash, the TV host mixes and matches pieces for a bling-meets-boho effect, topping a pleated beige maxi with a paillette-embellished tunic, then finishing the ensemble with an oversize gold clutch.

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RASHIDA JONES

Mixing gypsy style with Hollywood glamour, the actress shows off her figure in a sheath embellished at the waist with metallic coins, then adds sexy black patent Jimmy Choo sandals and an Isharya ring for the Los Angeles Film Festival premiere of her movie Celeste and Jesse Forever.

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OLIVIA MUNN

Bright is so right for Olivia, who uses low-key neutrals to complement her highlighter-hue mini at the Samsung Galaxy SIII launch in Beverly Hills.

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JESSICA STROUP

Also at the L.A. premiere of Ted, the actress selects a white Amen cocktail dress with leather embroidery and adds smoky eyes and glossy patent accessories.

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CARRIE UNDERWOOD

Heating things up at a London CD signing with a little leather and lace, the tops a sugary-sweet pink Bec & Bridge mini with a tough faux-leather Nikki Rich jacket, plus Jimmy Choo peep-toe booties and her signature blonde waves.

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EMMA STONE

After revealing her dark side in Paris, the shows she’s all white in a custom Andrew Gn dress with a lace-up bodice and bow detail, plus ivory Christian Louboutin pumps and pink lips, worn to the Berlin premiere of The Amazing Spider-Man.

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DIANE KRUGER

In a summer take on the sheer trend, the style star hits the Las Vegas NHL awards in a blousy black minidress with a neon-pink lace overlay, gold buckle embellishment and sexy, strappy Jimmy Choo sandals.

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PENéLOPE CRUZ

Showing off her body (of work!) at an N.Y.C. screening of To Rome with Love, the bares her shoulders in a burgundy lace Emilio Pucci dress and plenty of Chopard sparklers, plus Jimmy Choo platforms.

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ASHLEY GREENE

The Twilight looks impossibly cool in N.Y.C.’s scorching heat, attending the Samsung Galaxy SIII launch in a chocolate brown sheath with an embellished neckline, a crystal-studded clutch and golden sandals.

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SELENA GOMEZ

shows her jean-ius at the Viacom seminar event at Cannes, wearing destroyed denim with a shimmery Alice + Olivia top and pointed-toe Casadei pumps with minimal jewels.

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OLIVIA PALERMO

Trying a few different trends at once – high-waist shorts, a statement necklace and fringe – the socialite shows off her most fashion-forward instincts at the Moscow International Film Festival.

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SOLANGE KNOWLES

’s little sis commands center stage at the “See What Unfolds” performance at N.Y.C., pairing a wild printed Roberto Cavalli blazer with a neon clutch, and keeping the rest of her look (a black romper and metallic sandals) understated.

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KRISTIN DAVIS

Staying true to the ladylike silhouettes she favors, the actress pairs a drop-waist teal dress with lavender sandals and adds a few choice accessories, including a Judith Leiber clutch and House of Lavande vintage earrings.

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ERIN ANDREWS

Also at the NHL awards in Las Vegas, the sportscaster shows a lotta stem in a sparkly gold halter mini, paired with oodles of golden accessories (including a Daniel Swarovski clutch) and nude pumps.

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DIANNA AGRON

The girl looks good in a sundress! Wearing a sweet and summery printed racerback dress, glittery sandals and chic accessories (including a Coach “Legacy” clutch and shades), Dianna attends Coach’s carnival-themed party in N.Y.C.

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EMMA STONE

Ditching her girl-next-door duds for some serious gothic glamour, the Amazing Spider-Man attends the film’s Paris premiere in a plunging Gucci gown with bronze crystal embroidery, Christian Louboutin pumps and deep crimson lips.

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KRISTEN STEWART

Snow White and the Huntsman’s attends the film’s Sydney premiere in a getup that we’d like to hunt down for ourselves: a burgundy Chaiken blazer and pants, plus a delicate pendant, BaubleBar bracelet and lace-ups.

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ROSE BYRNE

The actress gets flirty in Florence, wearing head-to-toe Salvatore Ferragamo. She selects a paisley dress, satin pumps and a tube clutch for the opening of the designer’s “Marilyn” exhibit at the Museo Salvatore Ferragamo, celebrating his longtime footwear collaboration with Marilyn Monroe.

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WHITNEY PORT

Promoting Britain & Ireland’s Next Top Model in London, the Hills opts for a very fashion-forward ensemble, pairing a boldly printed and color-blocked Camilla and Marc dress with a teal Lulu Guinness clutch, matching cap-toe mules and a whopping $130,000 worth of De Beers diamonds.

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KATE MARA.

Preppy and polished, the actress teams a polka-dot Madewell blazer with a sheer black blouse, white shorts and a cognac-hued Coach clutch at the N.Y.C. Coach event.

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ELLE MACPHERSON

Joining at the London Top Model event, the supermodel trades her chic and casual daytime outfit for something slightly funkier – a slashed black pantsuit, neon Christian Louboutin pumps and an armful of cuffs.

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ANNA KENDRICK

Also at the Coach bash in N.Y.C., the star displays a perfect-for-the-office summer ensemble: a patch-pocket Oxford paired with a flowy navy calf-length skirt, brown sandals and an emerald envelope “Legacy Universal” clutch by Coach.

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PARIS HILTON

Taking warm-weather leather to unforeseen heights, the socialite attends a Hollywood party at Lure for Sunset Strip in a studded mini, lace-up fingerless gloves and her favorite Pretty Polly garter tights.

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CHRISSY TEIGEN

You might be more accustomed to seeing the Sports Illustrated model in a bikini, but she looks just as hot at the Coach event in N.Y.C. sporting a pair of flare jeans and a loose tank with a golden cuff, a laid-back Coach clutch and beachy waves.

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EMMA STONE

The Amazing Spider-Man looks like a style superhero at the film’s London premiere in an Elie Saab creation featuring a plunging textured top and haute high-waisted pants, topped off with pointy-toe pumps and a golden-buckled belt.

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KATE MIDDLETON

The (seen with Camilla, Duchess of Cornwall) is a vision in white at a service for the Order of the Garter in Windsor in a crisp white Alexander McQueen coat, a Jane Corbett hat and nude pumps.

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KRISTEN STEWART

Covering up her legs for a change, the Snow White and the Huntsman opts for a patterned hunter green bustier with an ankle-length skirt by Balmain, plus sparkly Christian Louboutin pumps, at the film’s Sydney premiere.

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ASHLEY TISDALE

The keeps it fresh and flirty at Bravo’s Miss Advised premiere in L.A. with a flowing gray-and-white Rebecca Taylor mini, suede booties and her on-trend pink dip-dyed hair.

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KEIRA KNIGHTLEY

Someone’s in touch with her inner flower child! The goes for an ethereal vibe in an embroidered floral gown and nude pumps (both by Valentino) and adds a floral headband at the Seeking A Friend For The End of The World L.A. premiere.

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EMMA ROBERTS

For the 2nd Annual Seventeen magazine “Pretty Amazing” luncheon in N.Y.C., Emma sports a pretty amazing floral Jenny Packham top, skinny Genetic Denim “Raquel” jeans, metallic Alexandre Birman platforms and jewels by Nikki Baker and Melinda Maria.

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ALESSANDRA AMBROSIO

The model strikes a pose in a salmon textured Emilio Pucci mini worn with an alligator-print clutch and leg-lengthening nude heels at the Brave premiere in Hollywood.

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ANGELA KINSEY

Also at the Brave premiere in Hollywood, The Office actress gets graphic in a black-and-white strapless dress, black espadrilles and minimal accessories.

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SELENA GOMEZ

The high-flying brings the sparkle to the MuchMusic Video Awards red carpet in Toronto, dazzling in a gold sequin micromini and perfectly coordinated Jimmy Choo sandals, plus oversize hoops.

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EMMA STONE

Also reaching new style heights: the Amazing Spider-Man star, who wears an ice-blue Emilio Pucci dress with a crisscross bodice and finishes her ladylike look with a Lanvin minaudière, Dana Rebecca Designs earrings, Christian Louboutin heels and a Jennifer Behr headband.

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KATY PERRY

She’s channeled a flapper, slime and a Smurf. And it appears her latest inspiration is an alien princess? With her brilliant golden bodice, flowing sheer skirt and power stance (in Christian Louboutins, natch), the invades the MuchMusic awards in Toronto. She finishes the look with jewels by Soffer Ari, Ista Jewelry and Elodie K.

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ELIZABETH BANKS

For the L.A. Film Festival premiere of People Like Us, the actress bares her body in a copper jacquard J. Mendel dress, worn with slender black-and-gold heels and a Lena Erziak barrel clutch.

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HEIDI KLUM

Ten years of Project Runway and the host still looks like she should be on the catwalk herself. The strikes a pose at a celebration for the show in N.Y.C. wearing a slick blue-green sheath, mesh platform heels and a chain-link necklace.

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BRITNEY SPEARS

The “incredibly tough” X Factor sure looks sweet in a golden, sparkling Lorena Sarbu mini, metallic platforms and throwback crimped waves for the San Francisco auditions.

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ASHLEY GREENE

Twilight’s goes for a relaxed look at Montblanc’s “24 Hour Plays” series in L.A., sporting a printed white shell with dark skinnies and black pumps.

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DEMI LOVATO

reveals quite a bit in a sheer-paneled mini with an ombré fringe jacket and black stackers (she also reveals her new dip-dye hair!) at the San Francisco auditions.

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VICTORIA BECKHAM

Rocking her signature stance (seriously, this woman must practice in front of a mirror), wears a blue-and-navy striped dress with boots and a massive clutch to a Vancouver Holt Renfrew store where she presents her fall collection.

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NICOLE KIDMAN

In a tiered black Dior gown, golden jewels and red lips, the Aussie is the epitome of understated glamour at the 25th anniversary of the Down Syndrome Foundation in Sydney.

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LUCY HALE

Her Pretty Little Liars character’s wardrobe is lust-worthy –, but Lucy’s own style is pretty damn stellar too. The actress attends the MuchMusic awards in Toronto wearing a burgundy Peter Som mini with a satin peplum, beige pumps and an Edie Parker box clutch.