Last Night's Look: Hit or Miss?

Vote on this week's styles including Kim Kardashian, Jennifer Lopez and more stars! You decide – are they fashionistas or flops?

01 of 50

KIM KARDASHIAN

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AAR/Fame

works her famous curves in a pewter brocade strapless gown by Zuhair Murad with her hair swept up into a tight bun and dangling Sutra earrings for the Fifi Awards.

02 of 50

JENNIFER LOPEZ

JENNIFER LOPEZ
Jennifer Mitchell/Splash News Online

adds to the bright lights of New York’s Times Square in a multi-colored sequin Emilio Pucci dress, Swarovski earrings and suede Brian Atwood purple pumps at the unveiling of the Boys & Girls Clubs new billboards.

03 of 50

NATALIE PORTMAN

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Janet Gough/Celebrity Photo

The beautiful is pretty in a pink lace Dior dress, patent pearl pumps and a rosette-topped clutch for the AFI Lifetime Achievement Awards.

04 of 50

CARRIE UNDERWOOD

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Tammie Arroyo/AFF

After getting all dressed up at CMT Awards earlier this week, is back to her country roots in an embellished tank over distressed Heartloom short-shorts and cowboy boots in Nashville.

05 of 50

VANESSA HUDGENS

VANESSA HUDGENS
Amanda Leddy/Splash News Online

The keeps it cool for the premiere of Disney’s World of Color in a crocheted tank and cuffed jeans topped with a suede jacket and tan clogs.

06 of 50

MICHELLE TRACHTENBERG

MICHELLE TRACHTENBERG
Sara De Boer/Startraks

The Gossip Girl star gets charitable in a navy dress topped with a metallic Smythe jacket and gold studded gladiator heels at the Sally Hansen manicure event to benefit DKMS in Hollywood.

07 of 50

JESSICA SZOHR

JESSICA SZOHR
Laurent Groult/JPI

She’s a long way from Brooklyn! Gossip Girl’s resident hipster gets glam in a plunging yellow ruffled gown and black accessories at the Monte Carlo Television Festival.

08 of 50

ANNALYNNE MCCORD

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Jason LaVeris/Getty

The 90210 star goes boho chic in a boldly printed maxidress and layered beaded necklaces for the Sally Hansen manicure event to benefit DKMS in Hollywood.

09 of 50

EMMY ROSSUM

EMMY ROSSUM
Jeffrey Ufberg/WireImage

Emmy gets all dressed up in white in gorgeous beaded Marchesa gown –complete with a feathered hem and rosette bag from the label – and Stephen Russell jewelry for the Wildlife Conservation Society’s gala in Central Park Zoo.

10 of 50

MARISA TOMEI

MARISA TOMEI
Mark Von Holden/WireImage

The actress is summer chic in a black-and-white print sheath and coordinating accessories for the screening of Cyrus in N.Y.C.

11 of 50

KATHERINE HEIGL

KATHERINE HEIGL
Alpha/Landov

rocks a buzzed about bouffant at the London premiere of her film Killers, which she pairs with a zip-front Victoria Beckham sheath and gray platforms.

12 of 50

CARRIE UNDERWOOD

CARRIE UNDERWOOD
Jason Merritt/Getty

The gets ready for her big win at the CMT Awards in a plunging fuchsia Jenny Packham dress and clutch, Swarovski earrings and satin sandals.

13 of 50

CHRISTINA AGUILERA

CHRISTINA AGUILERA
Richie Buxo/Splash News Online

Going goth for the launch of her album Bionic, the accents her studded peekaboo dress with purple pumps and bright red lips.

14 of 50

TAYLOR SWIFT

TAYLOR SWIFT
Jeff Kravitz/Filmmagic

She might have been at country music’s big night, but looked big-city chic with stick-straight hair and brocade Galliano frock, Lorraine Schwartz hoop earrings and Christian Louboutin for 3.1 Phillip Lim sandals at the CMT Awards.

15 of 50

JESSICA BIEL

NEW YORK CITY
Albert Michael/Startraks

It’s been a week of gorgeous looks for , who promoted The A-Team on Late Night With Jimmy Fallon in a plunging cap-sleeved top and black trousers.

16 of 50

KELLIE PICKLER

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Kevin Mazur/WireImage

Bringing her solid-gold status to the CMT Awards, poses in an ornate Zuhair Murad dress with unique draping linked to her wrist.

17 of 50

JESSICA SZOHR

JESSICA SZOHR
Pascal Le Segretain/Getty

Luck’s a lady! Gossip Girl’s sexy gets gorgeous in a one-shoulder dress and on-trend booties at the Monte Carlo Television Festival in Monaco.

18 of 50

FAITH HILL

FAITH HILL
Jason Merritt/Getty

Swathed in pink chiffon, attends the CMT Awards in a watercolor-print J. Mendel gown, VBH clutch, patent platforms and gold Neil Lane jewelry.

19 of 50

WHITNEY PORT

WHITNEY PORT
Astrid Stawiarz/Getty

Topping off her look with a chic ponytail, the shows off her legs in a long-sleeved minidress and chain-embellished shoes at a magazine party at Abe & Arthur’s in N.Y.C.

20 of 50

HAYDEN PANETTIERE

HAYDEN PANETTIERE
Tammie Arroyo/AFF-USA

The pixie-haired is true blue at the CMT Awards in a satin and lace Emilio Pucci dress and peep-toe pumps.

21 of 50

NICOLE RICHIE

NICOLE RICHIE
Dave M. Benett/Getty

The channels ’60s glam with a parted, puffed-up ponytail and second-skin peach gown for Glamour magazine’s Women of the Year Awards in London.

22 of 50

KATE HUDSON

KATE HUDSON
James Devaney/WireImage

is big city chic in a black-and-white Stella McCartney jumpsuit finished off with a cropped satin jacket and coordinating pumps outside The Late Show with David Letterman.

23 of 50

GWYNETH PALTROW

GWYNETH PALTROW
Johns-Maryannakis/Splash News Online

After a glamorous date with Michael Kors the night before, gets casual in a cuffed Stella McCartney blazer over cropped green pants and patent black-and-white pumps for pal McCartney’s spring 2011 presentation.

24 of 50

LEA MICHELE

LEA MICHELE
Dimitrios Kambouris/WireImage

The Glee girl added a sexy edge to her sheer ruffled dress with a beaded black bra, Tiffany & Co. jewels and shimmering red lips at the launch of hairstylist Mark Townsend’s MARKTBeauty.com in New York City.

25 of 50

ANNA PAQUIN

ANNA PAQUIN
Michael Caulfield/WireImage

True Blood’s goes bold in a cobalt blue and black Proenza Schouler dress, PS1 clutch, Brian Atwood pumps and a House of Lavande vintage bracelet for the series’ season 3 premiere in L.A.

26 of 50

JESSICA BIEL

JESSICA BIEL
Dimitrios Kambouris/WireImage

gets ruffled up in an emerald cascading top paired with a purple-and-black tweed skirt – both by Oscar de la Renta – and Tiffany & Co. jewels for the launch of hairstylist Mark Townsend’s MARKTBeauty.com in New York City.

27 of 50

SCARLETT JOHANSSON

SCARLETT JOHANSSON
Janet Mayer/Splash News Online

The does relaxed-glamour right in a loose blush Stella McCartney dress and messy updo at the Annual World Theater Awards in N.Y.C.

28 of 50

KATE BOSWORTH

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Michael Buckner/Getty

The shows just enough skin in a peekaboo black Preen dress accessorized with gold Samantha Wills earrings and patent pumps and clutch for the season 3 premiere of True Blood.

29 of 50

NAOMI WATTS

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Johns-Maryannakis/Splash News Online

adds a pop of color to her all-white look with yellow, strappy satin sandals – all by Stella McCartney – for the designer’s spring 2011 presentation in N.Y.C.

30 of 50

ZOE SALDANA

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Flynet

The always stylish star mixes hippie chic with high fashion glamour in a black silk and Chantilly lace Vionnet mini dress and Solange Azagury-Partridge jewels topped with a braided updo for Glamour’s Women of the Year Awards in London.

31 of 50

MARION COTILLARD

MARION COTILLARD
Julien Hekimian/Getty

The French star is Parisian chic in a black-and-white printed Dior sheath accessorized with a matching red belt and headband at Maud Fontenoy’s gala in the City of Lights.

32 of 50

JANUARY JONES

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John Shearer/Getty

If you got it, flaunt it! The Mad Men star shows off her curves in a floral body-hugging BCBG Max Azria mini and nude peep-toe pumps at the GQ World Oceans Day Party in Hollywood.

33 of 50

JESSICA BIEL

NEW YORK CITY
Jeffrey Ufberg/WireImage

It’s just another day on the fashion A-Team for , who is elegant in a powder blue draped blouse over wide-leg gray pants for a spot on The Late Show With David Letterman.

34 of 50

DAKOTA FANNING

DAKOTA FANNING
Demis Maryannakis/Splash News Online

She might play an evil vampire in the upcoming Eclipse, but Dakota is simply angelic in her white lace Marchesa frock and black Brian Atwood pumps at the CFDA Awards in N.Y.C.

35 of 50

SARAH JESSICA PARKER

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Andrew H. Walker/Getty

Paying homage to late designer Alexander McQueen, stunned in a pretty pink printed gown from his Pre-Fall collection accessorized with a VBH clutch and Stephen Russell jewelery at the CFDA Awards.

36 of 50

GWYNETH PALTROW

GWYNETH PALTROW
Evan Agostini/Elevation/PictureGroup

The shows off her enviable figure in an asymmetrical, custom black paillette gown by her date Michael Kors accessorized with Fred Leighton diamonds at the CFDA Awards in N.Y.C.

37 of 50

EMILY BLUNT

EMILY BLUNT
Henry S. Dziekan III/Getty

The British is the picture of summer chic in a gold-dusted Marc Bouwer dress and matching strappy sandals at the American Institute For Stuttering annual gala in N.Y.C.

38 of 50

JADA PINKETT SMITH

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Jason Merritt/Getty

Making for one stylish – and proud! – mama, Jada stuns in a bronze Rafael Cennamo frock and matching platform sandals for the premiere of The Karate Kid, starring her son Jaden Smith.

39 of 50

WHITNEY PORT

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Dimitrios Kambouris/Getty

The City’s resident glistens at the CFDA Awards in a glazed silver David Meister gown – with a sexy slit up-to-there! – and classic patent accessories.

40 of 50

TARAJI P. HENSON

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John Shearer/WireImage

The actress got glam in a gold mirrored Naeem Khan sheath accessorized with a black Judith Leiber clutch and Caovilla sandals at the L.A. premiere of The Karate Kid.

41 of 50

KRISTEN STEWART

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Chris Pizzello/AP

Rocking a Dolce & Gabbana metallic brocade minidress at the MTV Movie Awards, The Twilight Saga: Eclipse proves that she has mile-long legs to match her equally-lengthy new hair extensions.

42 of 50

JESSICA BIEL

JESSICA BIEL
Todd Williamson/WireImage

The “Holy Grail of Hot” title turned out to the Spike TV Guys Choice Awards in L.A. to accept the honor in a shoulder-baring buttoned blouse and lace miniskirt – both by Dior.

43 of 50

SCARLETT JOHANSSON

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Christopher Polk/Getty

Her name might be fiery , but at the Spike TV Guys Choice Awards, the actress made canary yellow look red-hot with a one-shoulder Preen dress.

44 of 50

LINDSAY LOHAN

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Steve Granitz/WireImage

Keeping her court-ordered accessory under wraps, the sparkles at the MTV Movie Awards, in a plunging Pamella Roland ombré jumpsuit with red-carpet-sweeping legs.

45 of 50

ASHLEY GREENE

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Sara De Boer/Startraks

Her hairstyle might be yours for the trying, but at the Chrysalis Butterfly Ball, the Twilight Saga: Eclipse white-on-white look was all her own as she accessorized a jeweled Lela Rose dress with coordinated clutch and AllSaints pumps.

46 of 50

JESSICA ALBA

JESSICA ALBA
Frank Micelotta/MTV/PictureGroup

Adding a few interesting layers to the MTV Movie Awards, the smiles backstage in an asymmetrical minidress over long lacy leggings tucked into her strappy sandals.

47 of 50

CHARLIZE THERON

CHARLIZE THERON
Gregg DeGuire/PictureGroup

knows all the angles when it comes to the asymmetrical minidress and pointy, chain-draped booties that she chose for the Spike TV Guys Choice Awards.

48 of 50

EVA MENDES

EVA MENDES
Splash News Online

Draped in a jeweled white Gianfranco Ferré gown and Neil Lane jewels, the cuts an elegant figure at the Chrysalis Butterfly Ball in L.A.

49 of 50

CAMERON DIAZ

CAMERON DIAZ
Gregg DeGuire/MTV/PictureGroup

Keeping it short and sweet at the MTV Movie Awards, spotlights her legs in a printed Diane von Furstenberg minidress and open-toed Jimmy Choo booties.

50 of 50

JESSICA STROUP

JESSICA STROUP
Anna Webber/WireImage

Dressed in a flowing black Azzaro gown accented with a boldly jeweled collar and Neil Lane earrings and ring, the 90210 star lives up to her luxe zip code at the Butterfly Ball in L.A.

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