Last Night's Look: Hit or Miss?

Vote on this week's styles including Rachel McAdams, Eva Mendes and more stars! You decide – are they fashionistas or flops?

01 of 51

RACHEL MCADAMS

RACHEL MCADAMS
Bauer-Griffin

The brings her sophisticated style in a black lace-topped Stella McCartney dress and upswept hair to the opening ceremony of the 35th annual American Film Festival in Deauville, France.

02 of 51

EVA MENDES

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Splash News Online

The continues her style streak at the Venice Film Festival with a sexy cut-out black gown and minimal accessories at the Bad Lieutenant: Port of Call New Orleans premiere.

03 of 51

AUDRINA PATRIDGE

AUDRINA PATRIDGE
Andy Fossum/Startraks

The tanned and toned Sorority Row sizzles for the film’s Hollywood premiere in a strapless black See By Chloé cocktail dress paired with Alexander McQueen shoes and bag.

04 of 51

DREW BARRYMORE

DREW BARRYMORE
Thornton/INF

might have toughened up for her role in Whip It, but she’s perfectly ladylike in a blue Yves Saint Laurent sheath and Ferragamo platform pumps while heading to an interview with Anderson Cooper in N.Y.C.

05 of 51

LAUREN CONRAD

LAUREN CONRAD
Jeff Vespa/WireImage

The partied in style at the book launch in West Hollywood in her floral BCBGeneration frock and berry lips.

06 of 51

ASHLEE SIMPSON-WENTZ

ASHLEE SIMPSON-WENTZ
Sara Jaye Weiss/StarTraks

Before making a late-night margarita stop, the Melrose Place shows off skinny leather Elise Overland pants and boots and a printed T-shirt while visiting the Piperlime Closet in Chelsea.

07 of 51

EVA MENDES

EVA MENDES
KCSPresse / Splash News Online

The continues to revives old-Hollywood glamour in Venice, Italy in a nude J. Mendel dress with black lace shoulders and Casadei pumps – accented with the same Dolce & Gabbana statement headband she’d worn the previous day on the Baaria red carpet.

08 of 51

FERGIE

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XPOSURE

The gives her printed minidress a stylish edge with a studded belt, lace-up platforms and oversized hobo while out in L.A.

09 of 51

DEMI MOORE

DEMI MOORE
Tonya Wise/London Ent/Splash News Online

Showing off a tiny waist in a belted, black ruffled Oscar de la Renta frock and Brian Atwood pumps, the supports her daughter at the Hollywood premiere of her film Sorority Row.

10 of 51

RUMER WILLIS

RUMER WILLIS
Andy Fossum/Startraks

’s takes a grown-up approach at the Sorority Row premiere in a plunging lace jacket and skinny trousers by Stella McCartney with Irit earrings.

11 of 51

DITA VON TEESE

DITA VON TEESE
Aflo / Splash News Online

The burlesque star personifies the 1950s in a sheer wasp-waist dress overlaid with rosettes and red satin pumps for a Be Cointreauversial campaign promotional event in Tokyo.

12 of 51

AMBER TAMBLYN

AMBER TAMBLYN
D.Maryannakis/Johns/Splash News Online

Hitting N.Y.C.’s East Village with downtown style, the actress pairs a saffron silk skirt with a white top and brown boots.

13 of 51

EVA MENDES

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David Fisher/Rex USA

Giving the Baaria red carpet some colorful competition at the Venice International Film Festival, the sizzles in a red leopard print chiffon gown and statement headband – both by Dolce & Gabbana – with Casadei pumps.

14 of 51

RIHANNA

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DS-ISM/ME/Flynet

The brings island chic to Santa Monica, pairing a palm-frond printed dress with gold sandals for a dinner out.

15 of 51

RACHEL BILSON

RACHEL BILSON
Stefan/INF

Casual wear has never looked so stylish – and it’s all about the accessories! For a stroll through Hollywood, the altar-bound actress pairs her basic bottoms and tank with a neutral Miu Miu bag, superstar shades and platform sandals.

16 of 51

ANNE HATHAWAY

ANNE HATHAWAY
London Entertainment/Splash News Online

gets seriously stylish in a belted neutral color-block dress and sandal flats to do some furniture shopping in West Hollywood with her boyfriend Adam Schulman.

17 of 51

KYLIE MINOGUE

KYLIE MINOGUE
Splash News Online

The Australian singer exits her London home in a leopard print coat over skinny jeans and black booties.

18 of 51

KATE BECKINSALE

KATE BECKINSALE
Ramey

The actress pulls her famously thick locks into a bun and slips into a black ruffled Susie Rose maxidress, sandal flats and oversized hobo for a stroll through Beverly Hills.

19 of 51

OLIVIA WILDE

OLIVIA WILDE
ENF/Fame

To launch Escada Desire Me in Madrid, the fragrance’s face follows up her stunning ad with an equally gorgeous gray silk Escada frock and strappy Jimmy Choo sandals.

20 of 51

LO BOSWORTH

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Albert Michael/Startraks

The Hills star does a children’s book signing to promote her Jump Start public service announcement for early childhood education while wearing a green wrap skirt, white tank and striped American Eagle cardigan in Hollywood.

21 of 51

VICTORIA BECKHAM

VICTORIA BECKHAM
Fame

After showing off her fall collection of dresses in a video for Bergdorf Goodman, the gets back to mommy duty in a chic black jersey sheath, oversized day clutch and stitch-bottom Miu Miu platforms as she hangs onto her equally stylish son Romeo – check out those yellow shades and that fedora!– and his furry friends in Beverly Hills.

22 of 51

AUDRINA PATRIDGE

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Judy Eddy/WENN

Leaving the drama of The Hills behind, the gets back to her spokesmodel duties promoting denim brand Divine Rights of Denim in a pair of acid-washed jeans from the label and an oversized black top at the MAGIC tradeshow in Las Vegas.

23 of 51

KIM KARDASHIAN

KIM KARDASHIAN
David Aguilera/BuzzFoto

Another night out, another sexy dress! lends her star power to stepbrother birthday party in a teal mini dress cinched with a black leather wrap belt in Beverly Hills.

24 of 51

KHLOE KARDASHIAN

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Sharky / Splash News Online

younger sister also makes the Hollywood party scene in a clingy poppy-colored dress, woven gold clutch and strappy Christian Louboutin sandals.

25 of 51

PINK

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Nathanael Jones/Pacific Coast News

The trades her namesake color for red-hot accents, including a bold belt and bow-topped patent wedges paired with a printed romper for lunch in Los Angeles.

26 of 51

ANNALYNNE MCCORD

ANNALYNNE MCCORD
Kevan Brooks/AdMedia

The 90210 star stirs things up in the glamorous zip code in a dominatrix-inspired get-up, including a leather bustier over red-and-black pinstripe pants, lace up boots and a neon clutch for the NIKE and CW-hosted party her show’s second season.

27 of 51

JESSICA LOWNDES

JESSICA LOWNDES
Lionel Hahn/Abaca

Meanwhile, McCord’s costar takes a classic approach in a black lace sheath dress and matching ankle booties with a pop of pink on the lips for the 90210 season two premiere party.

28 of 51

KYLIE MINOGUE

KYLIE MINOGUE
Splash News Online

Every day is a fashion show for the singer who leaves her London home in a ’60s-inspired leather fringed vest over a rocker T-shirt, skinny jeans and knee-high boots.

29 of 51

AMBER VALLETTA

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Albert Michael/Startraks

After ringing the NASDAQ closing bell the day before, the supermodel makes a glam appearance on the PIX Morning Show in a black-and-white Brian Reyes ruffled sheath paired with bold blue Vintage Susana Spidel drop earrings and pointy ankle booties.

30 of 51

MALIN ACKERMAN

MALIN ACKERMAN
G.Martensson/Afton/JPI

Taking a futuristic approach, the actress glimmers in her purple and black metallic dress, patent sandals and smokey eye makeup for a Swedish TV gala.

31 of 51

KIM KARDASHIAN

KIM KARDASHIAN
Splash News

TV’s newest gets a jump on one of fall’s top trends – thigh-high boots! – which she pairs with a belted neutral-print minidress and statement necklace while out in L.A.

32 of 51

MELISSA GEORGE

MELISSA GEORGE
BIG Australia/Flynet

Fellow Aussie George is appropriately stylish for a Burberry store opening in Perth, topping her floral dress with a black trench coat and adding sky-high platforms.

33 of 51

KATE HUDSON

KATE HUDSON
Ron Asadorian / Splash News Online

’s not the only celeb rocking the thigh-high trend. A-Rod’s best girl puts own boho spin on the style for a girls’ night out, pairing them with broken-in jeans, a boat-neck top and an oversized Alexander McQueen tote while out in SoHo.

34 of 51

RUMER WILLIS

RUMER WILLIS
Demis Maryannakis / Splash News Online

makes white sizzle, highlighting her flawless figure in a sexy frock with peekaboo insets, Irit teardrop earrings and Sergio Rossi outside The Late Show With David Letterman in N.Y.C.

35 of 51

GWEN STEFANI

GWEN STEFANI
Maidana/Garcia/Broadimage

brings along a little of her eclectic fashion-sense in Pasadena, topping striped leggings and a neon yellow bra with a sheer white dress – plus sky-high sandals.

36 of 51

MICHELLE WILLIAMS

MICHELLE WILLIAMS
Pacific Coast News

Taking a stroll around her Brooklyn neighborhood, the stays true to her signature hipster style in denim cut-offs, a plaid button-up and comfy sandal flats.

37 of 51

AMBER VALETTA

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Demis Maryannakis / Splash News Online

The supermodel goes super-sized in leg-lengthening, high-waisted black trousers paired with a tiny blue top – both from Jenni Kayne – and an Opal Stone cuff to ring the NASDAQ closing bell in N.Y.C.

38 of 51

MOLLY SIMS

MOLLY SIMS
Splash News Online

Molly makes sapphire sparkle in a silk dress detailed with rivets and patent pumps at the Fantasy Football Superdraft at Pure Nightclub in Las Vegas.

39 of 51

KYLIE MINOGUE

KYLIE MINOGUE
Splash News Online

The Aussie singer hits London’s streets in a fashion-forward asymmetrical minidress, metallic tote and tan ankle booties.

40 of 51

ANNA PAQUIN

ANNA PAQUIN
Splash News Online

The altar-bound True Blood star gets pretty for the European premiere of her film The Courageous Heart of Irena Sendler in a floral frock and classic peep-toes.

41 of 51

TYRA BANKS

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Axelle/Bauer-Griffin

Before winning for informative talk show, stunned on the Daytime Emmy Awards red carpet in an asymmetrical coral Rachel Roy sheath, accessorized with Subversive for Rachel Roy cuff bracelets, an exotic Sang A clutch and suede Manolo Blahnik for Rachel Roy pumps.

42 of 51

KIM KARDASHIAN

KIM KARDASHIAN
Fame

After going goth, the reality star is back to her California-cool style for a stroll through Beverly Hills in an acid-washed denim jacket, curve-hugging miniskirt (cinched with a studded belt!) and metallic platforms.

43 of 51

RIHANNA

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Jackson Lee/Splash News Online

She may be keeping it simple in all black, but the still shows off her fierce side in colorful, paillette-adorned Pierre Hardy shoes for a night out with her family in New York City.

44 of 51

KATHERINE HEIGL

KATHERINE HEIGL
Fame

After playing baby shower hostess for costar ‘s baby shower, sees her famous guests off – including , and Rebecca Gayheart – in a black tiered sheath, topped with a blue floral appliquéd headband and patent flats.

45 of 51

JESSICA ALBA

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MAC/Fame

Fall might be just around the corner, but the is the picture of summer chic in her straw fedora, printed scarf, nautical striped Lucca Couture sundress and green Matt Bernson sandals for a day out in West Hollywood.

46 of 51

KRISTIN CAVALLARI

KRISTIN CAVALLARI
Angela Weiss/Getty

She may be starting trouble on the new season of The Hills, but the reality star plays innocent in a pleated-front white maxidress for the Fred Segal birthday party in Malibu.

47 of 51

PORTIA DE ROSSI

PORTIA DE ROSSI
Frazer Harrison/Getty

Her might have lost an Emmy to , but the actress lent some fashionable support in an off-the-shoulder Monique Lhuillier navy gown, Rene Caovilla clutch and black sandals at the Daytime Emmy Awards.

48 of 51

EMMY ROSSUM

EMMY ROSSUM
Demis Maryannakis / Splash News Online

The starlet stuns in a pleated cream Temperley London dress adorned with a gold sequined collar and belt, metallic sandals, Judith Ripka bracelets and a frame clutch for the US Open Players Party in New York City.

49 of 51

JENNIE GARTH

JENNIE GARTH
Axelle/Bauer-Griffin

Taking a cue from , the 90210 star went bold in a coral Issa dress with matching lips, a mirrored clutch and vintage curls for the Daytime Emmy Awards.

50 of 51

KATY PERRY

KATY PERRY
Amy Graves/Getty

Forget her quirky stage style the proves she can be just as big a fashion risk-taker on the red carpet in an asymmetrical, polka-dot jumpsuit at a party sponsored by SoundsofBuzz.com and Coca-Cola in Hollywood.

51 of 51

OLIVIA PALERMO

OLIVIA PALERMO
CMB / Splash News Online

It’s all about glamour for The City star, who is dreamy in an ethereal sheer ombré gown and gladiator platforms for the U.S. Open Players Party in New York City.

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