Last Night's Look: Hit or Miss?

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RIHANNA

The singer continues her fierce week of fashion with head-to-toe Louis Vuitton at the 3rd annual DKMS gala in N.Y.C.

02 of 52

KIM KARDASHIAN

The reality star covers up her famous curves in a chiffon top and bubble skirt, topped off with a statement necklace, at the Carrera Vintage Sunglasses launch in Los Angeles.

03 of 52

JESSICA ALBA

The star spends her day in Washington, D.C., lobbying for children’s healthcare with the Children’s Defense Fund in an appropriately conservative jacket, button-down and slacks.

04 of 52

RACHEL WEISZ

The Brothers Bloom actress is perfectly chic in her ruched leopard-print dress and ankle-strap Jimmy Choo sandals for a Nars- and Thakoon-sponsored screening of the film.

05 of 52

ALI LARTER

The Obsessed star is all ruffled up in hot pink Notte by Marchesa at the InStyle Hair launch hosted by John Freida Root Awakening in N.Y.C.

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KELLY RIPA

The talk show host enjoys taping Live! With Regis and Kelly in Miami in her floral sundress and strappy heels.

07 of 52

KYLIE MINOGUE

After lighting up the Empire State Building, the singer changed into a sexy cut-out brown gown for the DKMS gala.

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KATY PERRY

The singer takes it down a notch from her usual wacky style in a sleek fuchsia sheath while performing at the Grammy Celebration Concert in Miami.

09 of 52

JULIANNE MOORE

The star sets off her fair complexion with a pale bow-topped blouse, pencil skirt and jeweled sandals – all by Prada – at the 35th anniversary of Tuberous Sclerosis Alliance in N.Y.C

10 of 52

CIARA

The R&B singer works the harem pant trend, pairing them with a Halston jacket and Pucci heels, at the 2009 Smile Event presented by Operation Smile in N.Y.C.

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CAMILLA BELLE

The actress makes a solo appearance without boyfriend Joe Jonas at a Gucci luncheon in Brazil in – what else? – head-to-toe Gucci.

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NICOLE RICHIE

Proving yet again that she’s her own best model, the jewelry designer launches her House of Harlow 1960 collection in Miami wearing a flowing printed Issa halter maxi and – of course – accessories of her own creation.

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HILARY DUFF

The Live! On Sunset party hostess represents the store’s West Hollywood launch in style, wearing a slinky bandage dress by featured designer Max Azria for Hervé Léger, whose designs, she tells PEOPLE.com “make every girl s body look insane and I love that!” She completes the look with Made Her Think earrings.

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RIHANNA

The singer adds signature edge to her white Derek Lam suit, rolling over the sleeves of her leopard-printed top and adding bronze platforms and a Yvel Pearl necklace for the opening of the new Derek Lam boutique in N.Y.C.

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JESSICA ALBA

Making a stylish entrance at the Washington, D.C. screening of Crips and Bloods: Made in America, the star pairs a charcoal pencil skirt and matching cardigan with a belted rose knit top.

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VICTORIA BECKHAM

The face – and body! – of Emporio Armani underwear returns to unveil sexy new ads at Macy’s Herald Square in head-to-toe Emporio Armani, including super-skinny, super-sparkly trousers topped with a plunging fitted jacket.

17 of 52

KATY PERRY

The singer is ready to party the night away in her gold beaded fringe dress at the PEOPLE Music Lounge sponsored by Svedka at Mr. West in New York City.

18 of 52

GISELE BÜNDCHEN

The statuesque beauty drapes her figure in gorgeous gray silk Versace for the American Museum of Natural History’s Rainforest Alliance gala in Manhattan.

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SOPHIA BUSH

Now that’s why stars can’t get enough of Hervé Léger by Max Azria’s skin-tight dresses! “It just does something for your body that ensures your confidence,” the One Tree Hill star tells PEOPLE.com on the Live! On Sunset red carpet in West Hollywood. She accents the look with Irit Design jewelry.

20 of 52

MISCHA BARTON

Barton hits the Belvedere Vodka Black Raspberry launch party in London with signature edgy style, pairing a zip-front black skirt with a motorcycle jacket, fringe bag and peep-toe booties.

21 of 52

MARISA TOMEI

Adding a mod feel to the Alberta Ferretti and C.H.I.P.S. Spring Luncheon in Beverly Hills, the actress accents her a pretty blue sleeveless Ferretti minidress with classic white pumps.

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JENNIFER ANISTON

America’s sweetheart goes gray on the Management red carpet in Manhattan, coordinating her Balenciaga sheath with a Ferragamo clutch, tights and suede booties in the neutral hue.

23 of 52

RIHANNA

After making her red carpet return at Monday’s glam Met Gala, the singer takes in New York’s nightlife in a canary yellow jacket with a distinctly ’80s silhouette, ripped black jeans and stylishly scuffed boots.

24 of 52

VICTORIA BECKHAM

Posh hits New York City’s streets in a fitted gray sweater and matching striped circle skirt, paired with burgundy platforms.

25 of 52

KATE HUDSON

Giving menswear a radiant look, Hudson hits the red carpet in a white double-breasted Stella McCartney suit, Cartier jewels and towering gold pumps at Time’s 100 Most Influential People gala in N.Y.C.

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BEYONCé

Her gray Helmut Lang jacket, white jeans and draped scarf may be perfect for a day at the museum, but check out those about sky high Giuseppe Zanotti platforms, which the singer wears for a stroll through the Andy Warhol exhibition at the Grand Palais in Paris.

27 of 52

CHARLIZE THERON

The actress keeps it simple for the Simon Wiesenthal Center’s annual Tribute Dinner in Beverly Hills, wearing a draped black minidress and nude pumps.

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LIV TYLER

Laced up in a black Stella McCartney frock with strategically placed peekaboo panels and Cartier jewels, the actress joins the TIME magazine gala celebrating the 100th issue of their 100 Most Influential People in the World list.

29 of 52

AUDREY TAUTOU

The star, who is the new face of Chanel No. 5, is all elegance in a navy and white Miu Miu dress accented with a sash at the waist at a Rome photocall for her new biopic Coco Avant Chanel.

30 of 52

CLAIRE DANES

Celebrating at the Time 100 gala, the actress stays chic in all black, with a Yves Saint Laurent dress with cut-out shoulders, peeptoes, Tiffany & Co. jewels and clutch.

31 of 52

LEIGHTON MEESTER

What would the girls on the steps say? The Gossip Girl star makes the most avant-garde appearance of the night at the Met Costume Institute Gala in an elaborate Louis Vuitton tunic with sculpted sleeves over jeweled leggings, ankle-tie shoes and Fred Leighton jewelry.

32 of 52

ANNE HATHAWAY

For the “Model As Muse: Embodying Fashion” Costume Institute Gala, the star revisits ’60s high society with her teased mane of hair, Van Cleef & Arpels jewels and wasp-waisted Marc Jacobs purple taffeta strapless dress.

33 of 52

NICOLE RICHIE

Taking her pregnancy style on the road, the jewelry designer turns up in Miami Beach showing off her signature boho chic in a balloon hem paisley print Etro gown, Christian Louboutin peep-toes and loads of bangles and necklaces from her own House of Harlow 1960 line for an appearance on Live with Regis & Kelly.

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JESSICA BIEL

Justin Timberlake might have been the Met Costume Institute Gala’s co-host, but his girlfriend stole the spotlight at the “Model As Muse: Embodying Fashion” themed party in a dramatic crimson, corseted Versace Atelier gown with an asymmetrical hem and Fred Leighton jewels.

35 of 52

MADONNA

The face of Louis Vuitton shows brand loyalty and her trademark style bravery in a blue ruched minidress, thigh-high boots with sculpted heels and a turquoise headpiece for her turn on the Met Costume Institute Gala’s red carpet.

36 of 52

AUDRINA PATRIDGE

The reality star sets off her ’80s-style see-through Kain 1/2 top and yellow 3.1 Philip Lim pencil skirt with glam jeweled Balmain heels and an oversized Alexander McQueen clutch at the Nylon magazine and MySpace Young Hollywood Party.

37 of 52

RIHANNA

What better place to make a red-carpet comeback than at the ultra-glam Met Costume Institute Gala? For the first time since February, the singer welcomed the spotlight in a menswear-influenced black puff-sleeve suit, ruffled white shirt and a bow-tie – all by Dolce & Gabbana.

38 of 52

BEYONCé

While in Paris, the singer enjoys a fashionable day of shopping in a sea-green sparkling mini skirt, Helmut Lang T-shirt, tuxedo jacket, bib necklace and lace-up booties.

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BLAKE LIVELY

Taking a nod from onscreen character Serena van der Woodsen, the Gossip Girl star goes for all-out sex appeal in her plunging Versace teal chiffon evening gown paired with crystal-detailed Versace sandals, Lorraine Schwartz rings and a VBH clutch at the Costume Institute Gala.

40 of 52

LINDSAY LOHAN

The star ditches her bikinis for a skin-tight black mini under a leather jacket and long scarf with matching platforms for Teen.com’s celebration of Haute & Bothered in L.A.

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VICTORIA BEKCHAM

After arriving to the Met Gala with Marc Jacobs’s fiancé Lorenzo Martone, the fashionista strikes a solo pose in her polka-dotted one-shoulder Marc Jacobs minidress with a dramatic train, Louis Vuitton heels and a Chopard ruby ring.

42 of 52

TAYLOR SWIFT

The country star adds a western flair to her sweet floral French Connection skirt with brown boots and a matching SL McFadin fringe bag while leaving her London hotel.

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AUDREY TAUTOU

The face of Chanel No. 5 is bold in a black belted yellow halter gown and cut-out booties for the Madrid premiere of Coco.

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KIM KARDASHIAN

The reality star twittered that her Kentucky Derby outfit was “channeling Audrey Hepburn!!!” in her white sheath, feather-trimmed hat and lace gloves.

45 of 52

EVA LONGORIA PARKER

The star stepped up as the host of the Rally for Kids with Cancer Scavenger Cup in a black-and-white Carlos Miele dress and chic updo.

46 of 52

KATE HUDSON

The actress celebrates her directorial debut at the N.Y.C. screening of her Glamour Reel Moments short film in a velvet devore Stella McCartney dress.

47 of 52

KATE BOSWORTH

The actress adds glints of gold to her fringed black top and bandage skirt at the Spring Fling party at the Gramercy Park Hotel.

48 of 52

MARY-KATE OLSEN

The star brings a bold pop of color with her fuchsia clutch to her all-black outfit, including Alexander McQueen booties, at the Art of Elysium benefit in N.Y.C.

49 of 52

FERGIE

The singer adds metallic sparkle to her black romper with her Coach tote and Malandrino fringe necklace as she heads to the studio in L.A.

50 of 52

RUMER WILLIS

Who wears short shorts? The budding actress shows off her legs in a gray Todd Lynn shorts-suit at the Geniux BritWeek Designer of the Year Awards in L.A.

51 of 52

LINDSAY LOHAN

The leggings designer leaves her wares at home for a laced-up little black dress at a nightclub in Toronto.

52 of 52

LEANN RIMES

The country singer matches her maroon lips to her peeptoe pumps to set off her origami-pleated LBD at a Celebration of Women in the Arts in Washington D.C.

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