Last Night's Look: Hit or Miss?

The newlywed makes an appearance at GNC to promote QuickTrim looking appropriately svelte in her belted Myne dress.

The dazzles on the Keep A Child Alive red carpet in a shimmering black cut-out Kaufman Franco dress, Alexandra Jefford earrings and a red clutch.

The is breathtaking in her frothy white Monique Lhuillier gown as she presents an award at the Irene Diamond Award gala in N.Y.C.

gets ruffled for a Samantha Thavasa meet-and-greet in Tokyo in a tiered black Roberto Cavalli dress, blue Rock and Republic pumps and a metallic handbag.

goes nude backstage at the Los Premios MTV Latin Amarica Awards in Calif. in a neutral Paule Ka gown with sheer panels, matching Rene Caovilla heels, a Carla Amorim ring and other Melinda Maria jewels.

continues her gray streak, trying out another outfit highlighting the neutral by topping her satin-panel black miniskirt, booties and a white tank with a sequined jacket in the dove-colored hue.

Looking pretty in prints, pairs a floral chiffon dress with strappy peep-toes for a Madison & Diavolina launch party in L.A.

’s blonde bombshell hits the Los Premios MTV Latin America Awards in a tulle-skirted Camilla and Marc frock with strapless bodice and leopard pumps.

Lily adds pops of color to her otherwise black ensemble with a harlequin-inspired skirt for the Omega Constellation Collection launch party in London.

She might know why chicks dig her hirsute Counting Crows boyfriend, Adam Duritz – and we can see why he might be equally enamored. The actress shows off her signature elegance in a blue-and-cream Monique Lhuillier frock to kick off Saks Fifth Avenue’s Key to the Cure shopping event, in N.Y.C.

Taking the thigh-high boot trend to sexy new levels, balances the look with a sparkling long-sleeved minidress for the Los Premios MTV Awards.

With a sweep of origami pleats across the front of her black Marchesa sheath at the Keep A Child Alive event in N.Y.C., the actress brings modern elegance to the benefit’s red carpet.

The Precious star looks ready for fall in muted-print long-sleeve frock and open-toe booties.

The of the Zeugari fashion show in L.A. takes her role seriously, staying stylish in a gray striped Nuj Novakhett dress topped with a black blazer – adding a dash of color with fuchsia pumps.

recently revealed that she’s open to online dating, but would she have any trouble attracting a match in these silky black trousers and metallic jacket?

The American visits the Frieze Art Fair in her adopted town of London in a menswear-inspired blazer, leggings and this season’s over-the-knee boots.

Autumn’s heating up! Mango’s sexy jets to Germany to promote the Spanish line’s new collections in a diaphanous printed top and nude pencil skirt with a Lucifer Vir Honestus bracelet and Jamie Wolf earrings.

The singer puts a ’40s spin on the sharp-shoulder trend in her Alexander McQueen keyhole dress and strappy booties while signing copies of her new autobiography Dreams in London.

Thandie brings along some stylish company for the Fantastic Mr. Fox premiere in London, flanked by her adorable daughters. The actress pairs a basic black suit with animal print pumps matched to her daughter’s jacket.

90210’s sexy star hits the Voice Awards in Hollywood wearing a mini-sheath, House of Lavande jewelry and classic black pumps.

The Couples Retreat star is all laced up in a bell-sleeved minidress in classic cream and red pumps at a photocall for the film in London.

The Motherhood star shows off a svelte silhouette in a menswear-inspired black YSL tuxedo jacket, Cartier jewels and sexy sandals at the film’s premiere in N.Y.C.

Charity work has never looked more stylish. The R&B star dazzles at an event for the New York Women’s Foundation in Manhattan in a one-of-a-kind black Gucci gown with jewel detailing at the hips, Lorraine Schwartz jewelry and a chubby Malandrino shrug.

The Couples Retreat star goes wild during a photocall for the film in London in an animal print Temperley London dress that balances sexy with chic.

The takes her basic black sheath to new heights with metallic silver details, an oversized bow belt and jeweled peep-toes for the Annual QVC FFANY Shoes on Sale event in New York City.

takes inspiration from the wild things on screen in a Marchesa mini complete with a fuzzy feathered skirt and embroidered flower bodice for the New York premiere of Where the Wild Things Are.

From Miami to Washington D.C., brings her shimmering style – and husband Marc Anthony! – to the White House in a metallic gold frock and coordinating accessories for the “Fiesta Latina” concert.

The shows off draping done right in her one-sleeve, asymmetrical taupe Lanvin dress complete with a jeweled statement necklace and chain laden pumps at the Freedom Awards in Los Angeles.

Putting her stylish spin on the jumpsuit, adds a glam touch with a sequin cardigan, long chain and strappy Pierre Hardy pumps outside the Late Show with David Letterman.

Another night, another red carpet! The takes a classic approach in a sheer-topped, nude sheath dress, black pumps and sparkling bangles at FOX’s Reality Channel Really Awards in Los Angeles.

Taking a break from writing her new album, the country is big city chic in her body-hugging black shirtdress cinched with a tough patent belt paired with textured tights and vintage-inspired, bow-topped T-straps at the Yahoo! Yodel Studio in New York City.

Joining a freshly shorn , lends her stylish support to the Dow Live Earth Run for Water in a black tank, tweed skirt and red-hot peep-toes.

Muy Caliente! The turns up the heat at the National Museum of American Latino Commission’s press conference in a red-hot Diane von Furstenberg sheath dress and nude Ferragamo pumps while visiting Washington D.C.

Forget red-hot! The Couples Retreat sizzles in a cut-out, hot pink draped number, metallic gold clutch and nude sandals at the movie’s German premiere.

Never one to go unnoticed, the makes a glam appearance at FOX’s Reality Channel Really Awards in a sparkling one-sleeve minidress, patent Christian Louboutin platforms, Lia Sophia jewelry and red hot lips.

Continuing her fashionable tour, the Couples Retreat star goes bold in her geometric print-topped Nicole Miller sheath complete with coordinating blue Sergio Rossi platforms at the movie’s German photocall.

Gossip Girl’s wards off the New York chill at a screening for beau movie The Stepfather in leather trousers, heels and a jersey T-shirt topped with a tweed Smythe jacket.

Her album Memoirs of an Imperfect Angel might be new, but the stays true to her ingénue self in an early-’90s-inspired body-conscious minidress updated with of-the-moment open-toed boots at a press conference in Seoul, South Korea.

Now, that’s how to beat the Miami heat! keeps her cool at the Hispanic Heritage Celebration in Florida in billowy white trousers and a silk tank paired with turquoise earrings matched to her platform sandals.

Her honeymoon plans may be up-in-the-air, but Khloe knows where she’s going when it comes to style, accenting a long-sleeved minidress with an oversized clutch and sky-high platforms for a dinner in West Hollywood.

The ’80s are back, and leading the revival in a lace minidress, patterned tights and crucifix draping her neck for the Stepfather premiere in N.Y.C.

Showing her support for Save the Children, the Ugly Betty star heads to a benefit for the charity in N.Y.C. in a Prabal Gurung ruffled top and black satin skirt.

Talk about the beautiful! The Ugly Betty star hosts a Save the Children benefit in N.Y.C. at Esquire Soho in a black Moschino sheath embroidered with a 4th-of-July-worthy Swarovski crystal starburst at the waist.

The Aussie singer brings her chic style to the Big Apple, hitting the town in a strapless white dress and metallic sandals.

The actress gives it a glow in Lanvin while heading to The Late Show With David Letterman, donning a teal frock that plays up her fair complexion and a menswear-inspired overcoat.

Couples Retreat’s sexy star holds her own at the film’s Russian premiere in a leather bustier-topped minidress and open-toe booties.

gets pretty at the Hollywood Life Hollywood Style Awards in Westwood, Calif. in a colorful Mara Hoffman dress and bright pink lips.

With husband Marc Anthony by her side, heads to the ESPN and Miami Dolphins events in a blue one-shoulder frock mirrored by her matching asymmetrical shoes.

Proving her newlywed sister isn’t the only Kardashian that can sizzle in white, slips into a sexy wrap dress and nude pumps for the Hollywood Style Awards in Westwood, Calif.

Adding a little sparkle to the Los Angeles Latino International Film Festival, pairs a gunmetal-sequined, black satin dress with platform pumps.

Looking all grown up at the Hollywood Style Awards, the Disney is a stand-out in a ruffle-sleeve Notte by Marchesa dress and simple black heels.

looks anything but beachy for the Surfrider Foundation’s 25th Anniversary Gala in her ruched strapless Obakki dress and platform pumps.

Her knuckle-sized ring might have caused a buzz on the Broken Embraces red carpet in N.Y.C., but gray silk Haider Ackermann gown topped with a blazer by the designer and Chopard diamond earrings were equally show-stopping.

wasn’t the only star causing a stylish stir at the Broken Embraces screening in N.Y.C. stayed chic in belted floor-sweeping jumpsuit topped with a black velvet jacket.

The One Tree Hill star shows up the competition at the Hollywood Style Awards in a sheer lace Max Azria minidress with long sleeves and a high neck.

The Trucker star rolls into the film’s N.Y.C. premiere in a nude minidress topped with a matching boyfriend blazer by Calvin Klein.

With a frill on one shoulder of her aquamarine Lela Rose sheath and Everlon pave diamond studs in her ears, the Dare star makes a stylish statement at the movie’s premiere during the Hamptons International Film Festival in New York.

Who says horizontal stripes aren’t figure-flattering? The Dancing With the Stars hoofer shows off a svelte silhouette in a black and white gown at the GLSEN Respect Awards in Beverly Hills.

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