Last Night's Look: Hit or Miss?

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

01 of 49

RIHANNA

RIHANNA
Jackson Lee/Splash News Online

She’s ready to party! After rocking at Madison Square Garden, the changes into a black lace Stella McCartney dress for a night out on the town in New York City.

02 of 49

KIM KARDASHIAN

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Jean Baptiste Lacroix/WireImage

Keeping it simple, the sexy rocks a below-the-knee black Victoria Beckham sheath dress, classic pumps and a top-knot bun for the InStyle Summer Soiree in L.A.

03 of 49

GISELE BÜNDCHEN

GISELE BÜNDCHEN
Ramey

What baby weight? Benjamin Brady’s is back to tip-top supermodel form in a nude Hervé Léger bandage dress and pointy pumps for the launch of Pantene’s eco-friendly products in Brazil.

04 of 49

GWEN STEFANI

GWEN STEFANI
GSI Media

Leaving her adorable sons at home, the rock star struts her stuff in a black mini dress, lace-up thigh-high boots and a silver clutch for dinner with the girls in L.A.

05 of 49

JESSICA STROUP

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Jason Merritt/Getty

The 90210 star is pretty in a periwinkle blue strapless dress and silver, chain-strap Jimmy Choo purse at the InStyle bash in L.A.

06 of 49

MICHELLE TRACHTENBERG

MICHELLE TRACHTENBERG
Jason Merritt/Getty

Taking a cue from her devilish Gossip Girl character, Michelle opts for dark colors, covering a beaded Rebecca Taylor dress with a navy 3.1 Phillip Lim coat and adding black pumps and a Gerard Darel purse for the InStyle Summer Soiree in L.A.

07 of 49

MOLLY SIMS

MOLLY SIMS
George Pimentel/WireImage

The supermodel-turned-jewelry designer shows off her sweet side in a ruched floral dress by Etro and statement necklace at the exclusive opening of a Bisha Lifestyle condo in Toronto, Canada.

08 of 49

EMMY ROSSUM

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Neilson Barnard/Getty

The actress is right on trend in her Theia watercolor dress, suede sandals and chunky silver Curations bracelet at the opening night of Trust in New York City.

09 of 49

TORI SPELLING

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Michael Williams/Startraks

The makes a fashionable stop on Good Day L.A. in a one-shoulder, blousy, printed top, skinny jeans and platform booties.

10 of 49

JENNA DEWAN

JENNA DEWAN
Jon Kopaloff/Filmmagic

Mrs. goes bold in a fuchsia curve-hugging Boulee mini, studded black J.J. Winters clutch and patent pumps for the InStyle Summer Soiree in L.A.

11 of 49

LEA MICHELE

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Landov

The Emmy-nominated Glee star shines in a sparkling silver skirt and blousy white top – both by Jenni Kayne – paired with Brian Atwood pumps for the BlackBerry Torch Launch Party in L.A.

12 of 49

MARY-KATE OLSEN

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INF

Clad in all-black down to her peep-toe booties, joins other famous New York designers – like Donna Karan and Carolina Herrera! – at the Fashion’s Night Out kick-off press conference at City Hall.

13 of 49

KRISTIN CAVALLARI

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Jason LaVeris/FilmMagic

Pairing her clingy A.L.C. dress with chunky CC Skye jewels, the California is simply golden at the BlackBerry Torch Launch Party in L.A.

14 of 49

RIHANNA

RIHANNA
Humberto Carreno/Startraks

Showing off her newest tattoo, leaves her New York City hotel in a sheer-striped cropped top and denim cutoffs topped with a pink boyfriend blazer and studded peep-toe heels.

15 of 49

ANNA KENDRICK

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Jason LaVeris/FilmMagic

Is she channeling her vampire costars? The Twilight mortal crosses over to the dark side in a sexy black Alice + Olivia minidress and tough Botkier sandals for the BlackBerry Torch Launch Party in L.A.

16 of 49

CHRISTINA RICCI

CHRISTINA RICCI
Jason LaVeris/FilmMagic

Her new auburn do isn t the only thing worth talking about! The actress pairs a paisley tank of her own design with a black pencil skirt at the BlackBerry Torch Launch Party in L.A.

17 of 49

JESSICA SZOHR

JESSICA SZOHR
CWNY/Fame

Art imitates life for this Gossip Girl who takes a fashionable stroll in a button-down top, skinny white jeans, tassel-topped platforms, a purple Rebecca Minkoff bag and statement earrings around New York City’s SoHo neighborhood.

18 of 49

RASHIDA JONES

RASHIDA JONES
Jason LaVeris/FilmMagic

The actress adds statement-making accessories to her gray skirt and black blazer – including a metallic bib necklace and fringed sandals – for the BlackBerry Torch Launch Party in L.A.

19 of 49

SHENAE GRIMES

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Jason LaVeris/FilmMagic

The 90210 starlet shows off her tough side, rocking leather Helmut Lang pants with a striped T-shirt and Zara tuxedo jacket for the BlackBerry Torch Launch Party in L.A.

20 of 49

MICHELLE TRACHTENBERG

MICHELLE TRACHTENBERG
Alberto E. Rodriguez/Getty

Leaving the Upper East Side behind, the Gossip Girl troublemaker tops her denim leggings off with a sharp tuxedo blazer and jeweled necklace for the BlackBerry Torch Launch Party in L.A.

21 of 49

DREW BARRYMORE

DREW BARRYMORE
Fossum/Splash News Online

literally sparkles in a multi-colored, sparkling dress, suede pumps and loose waves for the Nylon and Express Denim Issue Party in West Hollywood.

22 of 49

KIM KARDASHIAN

KIM KARDASHIAN
Xposure

Adding her signature sexy touch, adds a snow-leopard blazer, lace up booties and oversized clutch to her basic black tank dress while out in Beverly Hills.

23 of 49

JULIA ROBERTS

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Michael Loccisano/Getty

The movie is all business at the New York City premiere of Eat Pray Love in a Stella McCartney boyfriend blazer over Diane von Furstenberg shorts, accessorized with Me & Ro earrings and chain, Coomi bracelets and Roger Vivier sandals.

24 of 49

KELLY OSBOURNE

KELLY OSBOURNE
Michael Buckner/WireImage

Ozzy’s daughter proves her rock star roots in a curve-hugging leopard-print dress topped with a tough leather vest, oversized clutch and black pumps at the Nylon and Express’ Denim Issue Party in West Hollywood.

25 of 49

RIHANNA

RIHANNA
Humberto Carreno/Startraks

It’s just another stylish day in New York City for the fierce who steps out in a gray-and-white A.L.C. suit over a black bustier and spiked sneakers.

26 of 49

VANESSA HUDGENS

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Jordan Strauss/WireImage

keeps it short and sexy in a black Helmut Lang crochet dress and sky-high patent pumps for an event celebrating the September Details issue in Los Angeles.

27 of 49

SHENAE GRIMES

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John Shearer/WireImage

The 90210 starlet tops her tube top and cutoffs with a to-the-floor, animal-printed robe and wedge heels for the Nylon and Express’ Denim Issue Party in West Hollywood.

28 of 49

GWYNETH PALTROW

GWYNETH PALTROW
Splash News Online

enjoys a fashionable lunch with (not pictured) in a breezy white tank, black baggy pants, Givenchy sandals and a bright blue bag in New York City.

29 of 49

LAKE BELL

LAKE BELL
John Shearer/WireImage

She may be showing a whole lot of leg in a floral miniskirt, but the actress keeps it covered up top with a zipped up vest over a long silk shirt for the Nylon and Express’ Denim Issue Party in West Hollywood.

30 of 49

STEPHANIE PRATT

STEPHANIE PRATT
John Shearer/WireImage

Watch out boys! The serial dater flaunts her California tan in a bright peach bandage dress accessorized with simple gold jewels and nude pumps at the Nylon and Express Denim Issue Party in West Hollywood.

31 of 49

RIHANNA

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INF

The brightens up the New York night in a green tie-dyed tank belted over a tiered miniskirt and black strappy sandals.

32 of 49

JULIA ROBERTS

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James Devaney/WireImage

It’s all about the accessories for , who adds a navy pinstriped blazer, ethnic printed bag, Jimmy Choo heels and colorful gemstone Melinda Maria bangles to an all-black look for a stop on Live With Regis and Kelly in New York City.

33 of 49

KIM KARDASHIAN

KIM KARDASHIAN
Ramey

She’s ready for fall! adds a pretty pink fuzzy vest to a belted dress shirt, skinny black pants and studded Ruthie Davis pumps for a day out in Beverly Hills.

34 of 49

ASHLEY GREENE

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Anthony/Pacific Coast News

After a glamorous night at the Teen Choice Awards, keeps it cool in a button-down Enza Costa T-shirt, cuffed jean J Brand shorts, tough ankle booties and a red Dolce & Gabbana shoulder bag for lunch in Los Angeles.

35 of 49

JESSICA SZOHR

JESSICA SZOHR
Mike Coppola/FilmMagic

The Gossip Girl starlet tops her body-hugging, little black dress with a denim vest and cascading earrings for the New York City premiere of The Tillman Story.

36 of 49

EVA LONGORIA PARKER

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Hellmuth Dominguez/Pacific Coast News

Earning her fashion stripes, steps out in a clingy black-and-white dress, T-strap sandals, a black clutch and large hoop earrings for dinner at Beso with husband Tony Parker.

37 of 49

KERRY WASHINGTON

KERRY WASHINGTON
Courtesy Ralph Lauren

The actress gets chic in head-to-toe Ralph Lauren, including a beaded top, white shorts and exotic blue clutch, for a book launch at the label’s East Hampton, New York store.

38 of 49

SELMA BLAIR

RIDING BOOTS
VT/DK/Splash News Online

Selma hits a West Hollywood grocery store in a plaid top, high-waisted khaki pants, knee-high riding boots and a slouchy brown bag.

39 of 49

LAURA LINNEY

LAURA LINNEY
Rose Billings/Landov

The actress keeps it classic in a printed black-and-white top over skinny black pants for the premiere of The Big C in New York City.

40 of 49

KIM KARDASHIAN

KIM KARDASHIAN
Juan Rico/Fame

The flaunts those famous curves in a second-skin, digital print Alberto Makali minidress and patent gray platform pumps at a Comcast TCA party in Beverly Hills.

41 of 49

SARAH JESSICA PARKER

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Steven A Henry/WireImage

With her best accessory by her side – husband Matthew Broderick! – takes style to comfortable new heights in a heather gray cotton dress topped with a soft khaki blazer and metallic accessories for the Hamptons screening of The Big C.

42 of 49

MEGAN FOX

MEGAN FOX
Gregg DeGuire/Fox/PictureGroup

The newlywed makes a sultry stop on the Teen Choice Awards green carpet in a blue-and-white print top and metallic skirt.

43 of 49

EVA LONGORIA PARKER

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INF

looks every bit the movie star in a fuchsia Jenny Packham gown with multi-colored crystal embellishments and metallic gold sandals and purse for the Starlite Gala in Marbella, Spain.

44 of 49

LEIGHTON MEESTER

LEIGHTON MEESTER
Jason Merritt/Getty

It might not be the Upper East Side, but takes a look right out of Blair Waldorf’s closet in a lacy Emilio Pucci minidress, Cathy Waterman jewels and chiffon pom-pom topped Christian Louboutin satin platforms for the Teen Choice Awards.

45 of 49

LAUREN CONRAD

LAUREN CONRAD
Albert Michael/Startraks

It’s back to the beach for who struts her stuff in a printed tank, scalloped black shorts and platform sandals at the Hurley Walk the Wall Teen Fashion Competition in Huntington Beach, Calif.

46 of 49

ASHLEY GREENE

ASHLEY GREENE
Steve Granitz/WireImage

makes high fashion look so effortless in a floral-embellished blush Valentino dress, black accessories and Stephen Russell jewels at the Teen Choice Awards.

47 of 49

GWEN STEFANI

GWEN STEFANI
Gaz Shirley/Carrllio/Pacific Coast News

She’s one fashionable guest! The turns up at a friend’s nuptials in Marina Del Rey, Calif. in a one-strap, polkadot dress, patent pumps and a fluffy purse.

48 of 49

SELENA GOMEZ

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Jason Merritt/Getty

The looks oh-so-chic in a loose white BCBG Max Azria dress and gilded sandals for the Teen Choice Awards.

49 of 49

KENDRA WILKINSON

KENDRA WILKINSON
Jesse Grant/WireImage

The shows off her assets in a plunging, draped blush Foley + Corinna dress and black platform sandals at a TCA party in Beverly Hills.

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