Lifestyle Style Celeb Fashion Hit or Miss? Vote on this week's styles including Christina Aguilera, Jennifer Lopez and more stars! You decide – are they fashionistas or flops? By People Staff Published on September 22, 2008 01:00 PM Share Tweet Pin Email Trending Videos 01 of 42 CHRISTINA AGUILERA Frederick M. Brown/Getty It’s a mod world as the singer hits the Rock the Vote event in Hollywood wearing a custom-made black and white A-line dress, knee-high Christian Louboutin boots and a printed satchel. 02 of 42 JENNIFER LOPEZ Splash News Arriving at the Dolce & Gabbana party in Milan in a horse-drawn carriage fit for a princess, the singer made sure she looked the part in a shimmering platinum dress embellished at the neck with glimmering gems by the Italian designers. 03 of 42 ANNE HATHAWAY Demis Maryannakis/Splash News Lancome’s gorgeous face attends a brand-sponsored N.Y.C. screening of her film Rachel Getting Married in head-to-toe Marc Jacobs, including a cap-sleeved frock cinched at the waist with gold chain belt and towering platforms and Tiffany & Co jewels. 04 of 42 RENEE ZELLWEGER Paul Morigi/WireImage Looking heavenly for the Washington, D.C., screening of Living Proof, the actress steals the show in a cerulean Carolina Herrera frock embellished with rosettes and ostrich feathers accessorized with David Yurman jewels. 05 of 42 HILARY DUFF Jason Merritt/FilmMagic The singer is chic in a flower-print top paired with a pencil skirt and fall’s favorite footwear trend – towering open-toe booties. 06 of 42 RIHANNA Stefania D'Alessandro/WireImage Showing off a chic silhouette, the singer continues her elegant Italian vacation in a printed Gucci halter gown at the Vanity Fair Fab Five party in Milan. 07 of 42 LUCY LIU Carlos Diaz/INF She might be channeling the ’50s in her classic black and white printed Giambattista Valli dress and Garrard hoop earrings, but the actress keeps the look modern with fuchsia lips, bold satin Manolo Blahnik sandals and an Anya Hindmarch clutch. 08 of 42 MISCHA BARTON Venturelli/WireImage The actress sizzles on the red carpet in a strapless draped ombré gown paired with gold statement earrings and necklace for the Fab Five party. 09 of 42 DITA VON TEESE Splash News Showing off her signature style to perfection, the burlesque star plays up her curves in a cream bustier Dolce & Gabbana dress – and accents the look with a chic leopard-print purse and heels at the label’s party in Milan. 10 of 42 PARIS HILTON Jackson Lee/Splash News The reality star goes green for her appearance on Late Night with David Letterman in a spaghetti-strap jersey dress accented with black lace and snakeskin shoes. 11 of 42 JENNIFER LOPEZ Venturelli/WireImage The fashionista continues her European adventure, attending the Dolce & Gabbana show at Milan Fashion Week in a fitted white corset dress from the line that makes the most of her perfect post-baby body. 12 of 42 GWYNETH PALTROW Splash News online The face of Tod’s makes for a stunning sight as she heads to the luxury label’s concept store in Milan in a swingy orange Derek Lam dress, Tod’s snake purse and Chopard jewels. 13 of 42 RENEE ZELLWEGER GG/Flynet The actress sizzles in a retro-inspired Carolina Herrera dress overlaid with chic gray lace and David Yurman oval cocktail ring for the premiere for Lifetime’s Living Proof in N.Y.C. 14 of 42 AMANDA BYNES Johns PkI / Splash News The Living Proof star shines in a fitted leather-trimmed Elizabeth and James minidress and matching black La Rok jacket, paired with a chic black clutch and leg-lengthening neutral pumps. 15 of 42 HAYDEN PANETTIERE Carlos Diaz/INF For Declare Yourself’s Domino Effect event in Hollywood, the Heroes star makes it clear she’s all in favor of a little shine, in a sparkling MLH tops paired with skinny jeans and platform sandals. 16 of 42 KRISTEN BELL Jason LaVeris/FilmMagic Forget fall! The Heroes star looks set to bring back spring in a candy-colored one-shoulder Shoshanna frock and Jimmy Choo heels. 17 of 42 RIHANNA Venturelli/WireImage Always the risk-taker, the singer proves she’s earned her fashionista credentials at the Gucci fashion show in Milan in a black halter with studded leather neckline and knee-high boots with floor-grazing fringes from the Italian label. 18 of 42 MARY-LOUISE PARKER Debra L. Rothenberg/startraks She may be attending the premiere for Dexter and Californication, but the Weeds actress steals the show in a pale babydoll dress crossed at the heart with glimmering bands of crystals and pearls. 19 of 42 JULIANNE MOORE Ariel Ramerez /Landov The redheaded star goes for a coordinated look in a fiery ruffled Valentino dress, strappy black Roger Vivier heels and Cartier jewels for an appearance on The Late Show with David Letterman while promoting her new movie Blindness. 20 of 42 CATE BLANCHETT OLYCOM/Bauer-Griffin After taking a front row seat at the designer’s Milan runway show, the actress turns up in another Armani Prive little black dress for his cocktail party at his boutique. 21 of 42 JENNIFER LOPEZ Carriero/Olycom/iPhoto Next stop: Milan! The jet-setter leaves the warm shores of Greece for the chillier temperatures of Milan where she does a little shopping at Dolce & Gabbana bundled up in a trench, warm scarf and patent bag – all from the Italian designers. 22 of 42 JANET JACKSON Dara Kushner/INF Taking a feline approach in a cheetah print top and long leather gloves, the singer helps Jermaine Dupri ring in his 36th birthday at Tenjune in New York City. 23 of 42 KATIE HOLMES Lisa Mauceri/INF Baggy jeans are back! After a few days of skinny jeans and stilettos, the new Broadway star gets back into comfort mode in her favorite Prps jeans and flats. 24 of 42 MARIAH CAREY Alpha /Landov Talk about airport style! Despite a long flight, the star touches down in Hong Kong in true diva form, rocking sky-high platform gladiators with stretch pants and a crisp white button-down. 25 of 42 CATHERINE ZETA-JONES Fame Looking regal in purple, the actress joins the French president and his wife (not pictured) in a tiered purple J. Mendel gown and retro curls for the Elie Wiesel Foundation for Humanity awards in New York City. 26 of 42 KERRY WASHINGTON Soul Brother/FilmMagic The actress goes for a chic Missoni dress and diamond buckled Roger Vivier heels for the New York premiere of Miracle at St. Anna. 27 of 42 CHRISTIE BRINKLEY Dimitrios Kambouris/WireImage She’s still got it! The 54-year-old supermodel flaunts her enviable shape in a body hugging Ralph Lauren Black Label gown for the Metropolitan Opera Opening Night Gala. 28 of 42 CATE BLANCHETT Venturelli/WireImage Showing off her slim waist in a bow-tied lace jacket and sophisticated black dress from Armani Prive, the Oscar winner took a front-row seat at the designer’s runway show during Milan Fashion Week. 29 of 42 CHARLIZE THERON Jen Lowery/Startraks Sticking to sensible patent flats, the actress let her legs do the talking in a daring low-cut black Givenchy by Riccardo Tisci bubble dress for a screening of Battle in Seattle in Santa Monica. 30 of 42 JENNIFER LOPEZ INF Continuing her European vacation, the singer makes a jewel-covered appearance in a black Givenchy by Ricardo Tisci mini and tight ponytail at a party in Greece. 31 of 42 TAYLOR MOMSEN Splash News She may not have gained her Queen Bee status back on Gossip Girl, but the young star steals the show in a red-hot Marchesa gown at the opening night gala of the Metropolitan Opera in N.Y.C. 32 of 42 HEIDI MONTAG Bruce Gifford/FilmMagic While her rival got glam for the Emmys, the Hills’ resident villain rang in her 22nd birthday in a body-hugging shimmering Hervé Léger mini at the Christian Audigier Nightclub in Las Vegas. 33 of 42 MOLLY SIMS INF The supermodel is the picture of elegance in her soft mermaid J. Mendel gown and glittering vintage jewels for the opening night of the Metropolitan Opera in New York City. 34 of 42 SOLANGE KNOWLES Venturelli/WireImage Keeping to her wild style, the singer paired a chic checkered Emporio Armani jacket with loads of necklaces, hot pink rings and platforms for the designer’s runway show in Milan. 35 of 42 PENELOPE CRUZ Manu Fernandez/AP The star goes to the dark side in a sexy lingerie-inspired Dolce & Gabbana gown for a screening of her film Vicky Cristina Barcelona in … Barcelona! 36 of 42 GWYNETH PALTROW Bryan Bedder/Getty The actress celebrates her new TV series Spain … On the Road Again in a sleek black leather Alaia skirt, tailored Giambattista Valli blazer and American Apparel tank. 37 of 42 KATIE HOLMES Hector Vallenilla/Pacific Coast News The new Broadway star makes a chic exit out of her apartment in trouser jeans, an argyle sweater and her favorite Chloé purse. 38 of 42 KATE WALSH Michael Tran/FilmMagic The Private Practice star takes a casual approach to the Entertainment Weekly pre-Emmy party in cropped jeans and a leather jacket. 39 of 42 LAUREN CONRAD Frederick M. Brown/Getty Also attending the EW bash, the reality star keeps it simple in a black Stella McCartney mini and long pearls. 40 of 42 EVA MENDES Alberto Tamargo/JPI The actress promotes her new home line at Macy’s in Florida in a chic bow-front sheath. 41 of 42 MISCHA BARTON Alpha /Landov The actress sticks to her signature hippie chic in a floral headband and flowing Temperley London gown at the Gift of Life IX Charity Ball in London. 42 of 42 HAYDEN PANETTIERE Bill Davila/Startraks The Heroes star shows off her glam side in a slinky gold corset dress at the NBC pre-Emmy party. More Celeb Hit or Miss >