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The does a 180 from her fashion-forward jumpsuit the night before, donning a classic Rachel Roy dress to promote a makeup brand in Hamburg, Germany.
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Flaunting her star power at the PEOPLE StyleWatch A Night of Red Carpet Style party in L.A., rocks a vintage paillette-sprinkled Thierry Mugler dress from Decades.
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Diane continues her whirlwind Parisian style tour, wearing a pink, off-the-shoulder Chanel Haute Couture dress at an AIDS charity gala.
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Kmart’s newest designer heats up the Elle Women in Television event in L.A. in a curve-hugging Ports 1961 dress, Chopard jewelry, Stuart Weitzman shoes and a Daniel Swarovski clutch.
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Harvard’s Hasty Pudding Woman of the Year looks seriously studious in her monochromatic ensemble while being honored in Cambridge, Mass.
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steps out in one of the season’s hottest colors, layering shades of camel and gold while running errands in Studio City, Calif.
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What winter? The dons a floral maxi dress, gladiator sandals and shades while out and about in Los Angeles.
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Angie gets bowed over in a strapless Azzaro jumpsuit, Jimmy Choo clutch, JustFabulous shoes and Amrapali earrings and snake bracelet at the PEOPLE StyleWatch A Night of Red Carpet Style event in L.A.
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Maria borrows from the boys with a menswear-inspired ensemble at the ELLE Women in Television event in Los Angeles.
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The actress sparks some envy in a plunging green Juan Carlos Obando frock, M.C.L. by Matthew Campbell Laurenza earrings and Christian Louboutin shoes at the PEOPLE StyleWatch A Night of Red Carpet Style party in L.A.
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The makes a bright statement in a pleated Amanda Wakeley jumpsuit with ankle ties and an intricate updo during a promotional appearance in Stuttgart, Germany.
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The mom to be hides bump in a sumptuous Burberry coat worn over a crocheted sweater, leather skirt and Casadei peep toes on the streets of London.
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dresses for comfort, flipping up the collar of her overcoat and layering it over faded denim and booties while shopping in Paris.
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The advice guru is book smart to autograph copies of her tome The Lo Down, wearing a peekaboo blouse and J Brand stretch denim in Boca Raton, Fla.
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Out West, Bosworth’s BFF is California casual in a striped T-shirt, skinny jeans and sandals while in Beverly Hills.
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Clean and chic is the way to go for the newly single , who pairs a white V-neck and skinny jeans with open-toe sandals and a Coach satchel in Hollywood.
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The reality star channels fellow blonde bombshell Marilyn Monroe in a dress printed with the icon, while attending the Las Vegas premiere of The Mechanic at the Planet Hollywood Resort.
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takes in the warm L.A. weather in a loose tank, skinny jeans and open-toe booties while shopping at The Grove.
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The actress sparkles in sapphire, wearing a classic Tibi sheath accented with patent peep toes, a golden clutch and Lana hoops at the Hollywood premiere of The Rite.
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The outshines the City of Lights in a sparkling one-of-a-kind Gucci dress at a French Vogue dinner in Paris honoring the design house’s creative director, Frida Giannini.
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Neither snow nor sleet stops from baring her toned arms in a metallic Victoria Beckham frock, which she pairs with a Cartier ring, Jimmy Choo ankle boots and tights at the Sundance premiere of Margin Call.
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The star continues her haute fashion parade in a color-blocked silk Gucci jumpsuit, House of Lavande collar and Lucifer Vir Honestus ring at a Gucci event in Paris.
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shows off her supermodel shape in an embellished black Marchesa LBD at an InStyle BAFTA event in London.
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The British actress punches up a Gucci frock with an equally dramatic belt at an event for the label in Paris.
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dresses for warmth in a double-breasted Burberry topper, worn-in denim and suede boots, while leaving the Comedy Theatre in London.
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Circling her plunging blue dress with an obi belt, the actress amps up the fashion factor at an InStyle BAFTA party in London.
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The former catwalk queen shines in a beaded and fringed Gucci dress at the brand’s cocktail party in Paris.
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pairs a ’50s-inspired frock with sparkle-adorned booties at the Russian premiere of her movie You and I.
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The angelic opts for a crochet-adorned floral Dolce & Gabbana frock, which she pairs with a waist-cinching belt at the Creative Coalition’s 2011 Spotlight Initiative Awards at TAO in Park City, Utah.
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The fashion darling turns heads in a camel jewel-encrusted shift, strappy heels and retro accessories at the Chanel Haute Couture show.
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Also at the Spotlight Initiative Awards, the braves the elements layering a tailored blazer over an A-line LBD – both by Rag & Bone – with Anita Ko necklace, Jimmy Choo booties and purple top handle tote.
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The star sparkles in a glittering V-neck sheath and sculpted bangs at the Armani Privé Haute Couture fashion show in Paris.
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Also at Chanel, the arrives in style, expertly mixing a pleated navy blue dress with a schoolboy blazer and black accessories.
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sizzles in an allover-studded orange Rachel Gilbert micromini, which she pairs with a black bow-shaped clutch and simple black sandals while out on the town in L.A.
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The adds edge to her flirty floral skirt with chunky lace-up booties and cool cat-eye shades while shopping in Paris.
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The Hellcats gives her own take on winter white, doing an interview at L.A.’s The Grove in an off-the-shoulder cream tee, lacy shorts and strappy sandals.
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The Chanel aficionado suits up for the brand’s Paris fashion show in a tuxedo-inspired dress with buttons and bow tie, simple black clutch and ankle-strap peep-toe pumps.
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The star of The Details strikes a cozy pose at the film’s Sundance premiere, using hoops, a Lia Sophia statement ring and Rene Caovilla clutch to add pizzazz to her simple cropped Ann Taylor peacoat, and skinny Hudson jeans.
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The mixes edgy with elegant in a sleek leather-and-chiffon Michael Kors Collection gown, Harry Winston diamond earrings and Brian Atwood pumps at a screening of her new film The Roommate in L.A.
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doesn’t let Park City, Utah’s chill stop her from attending the Sundance premiere of Another Happy Day in an arm-baring ensemble paired with Sally Sohn rings and high-heeled Casadei boots.
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The Fighter cuts a racy figure in a plunging Andrew Gn LBD, Sutra earrings, Kotur clutch and classic peep toes at the Producers Guild Awards in Beverly Hills.
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The English makes a ladylike appearance in a classic white Zac Posen dress with sheer sleeves and Amrapali earrings and cocktail ring at Gnomeo and Juliet’s Hollywood premiere.
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The Colombian keeps her famous hips undercover, pairing a glittery sheath with a black clutch and Sergio Rossi platforms at the NRJ Music Awards in Cannes, France.
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The actress kicks up an otherwise casual outfit with an open-front Roland Mouret jacket and sleek boots at the Tide Loads of Hope brunch in Park City, Utah.
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amps up her strapless Paule Ka dress with an intricate statement necklace and ruby red satin pumps at the U.K. premiere of Tangled.
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The actress balances an all-black look with a striped McGinn blazer, J Brand denim and knee-high boots at the Homework premiere during Sundance Film Festival.
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rocks a peekaboo Chloé dress with leather bodice – just like ! – during the Sundance premiere of Another Happy Day.
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The star sticks to her favorite look, laid-back layers, wearing a classic coat over a black mini and boots at a Sundance cocktail party for Ledge.
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