Lifestyle Style Celeb Fashion Hit or Miss? Vote on this week's styles including Jennifer Aniston, Eva Mendes and more stars! You decide – are they fashionistas or flops? By People Staff Published on February 23, 2009 02:00 PM Share Tweet Pin Email Trending Videos 01 of 39 JENNIFER ANISTON Flynet The star takes a break from her signature black dresses with a blue floral Balenciaga sheath dress while promoting Marley & Me in Paris. 02 of 39 EVA MENDES Elisabetta A. Villa/WireImage The Live! star blooms at the film’s Roman premiere in a floral-trimmed Oscar de la Renta dress, Casadei heels and Cartier diamonds. 03 of 39 SALMA HAYEK John Shearer/Getty The newlywed glows at the Robert Vetica Good to Great Hair book launch party in a striped-bottom Gucci dress. 04 of 39 DEBRA MESSING Jeff Vespa/WireImage The actress joins Hayek in celebrating stylist Vetica’s new book in a tan leather dress, matching sandals and clutch – all by Bottega Veneta. 05 of 39 RACHEL BILSON GSI Media The newly engaged actress masters the casual boho look in wide-leg slacks, a marble-print Brian Reyes top and fringed bag while out and about in L.A. 06 of 39 KRISTEN STEWART Jun Sato/WireImage The Twilight actress brings the film phenomenon to Japan in a Paule Ka leather dress with origami trim and a black blazer. 07 of 39 LAKE BELL Duffy-Marie Arnoult/WireImage The actress blends with the art in her ruffled red Monique Lhuillier gown and Bally clutch at the Young Fellows Ball at the Frick Collection in N.Y.C. 08 of 39 GWYNETH PALTROW Sara Jaye Weiss/Startraks Talk about a bombshell! The actress dazzles at the Bent on Learning charity gala in N.Y.C.’s West Village in a one-shoulder burgundy Jasmine di Milo sheath, Roger Vivier peep-toe pumps and one-of-a-kind jeweled clutch. 09 of 39 NICOLE KIDMAN Yuriko Nakao/Reuters There’s nothing basic about this little black dress! Adorned with pailettes, beads and fringe, the actress goes ultra-glam in a Prada frock for the Tokyo premiere of Australia. 10 of 39 EVA MENDES AFP/Getty The star is in the pink for a rooftop photo shoot in Rome to promote her film Live!, wearing a petal-colored Peter Som dress and sky-high Casadei platforms. 11 of 39 KELLY RUTHERFORD Sara Jaye Weiss/Startraks Going gray has never looked so gorgeous! The Gossip Girl star proves she’s picked up the show’s famous fashion sense in a dove-hued, jewel-embellished empire-waist Alice + Olivia dress at the Bent on Learning Gala in New York. 12 of 39 MOLLY SIMS Haley Mevorach/Startraks The actress is chic in a printed sheath and bold statement necklace while heading to The Morning Show with Mike and Juliet in Manhattan. 13 of 39 ZOE SALDANA Han Myung-Gu/WireImage The fashion-forward star goes ultra-feminine in a floral-printed Jean Paul Gaultier chiffon blouse and belted blush wrap skirt, Sara Weinstock hoops and ring, Bally heels and a Borgioni necklace at a press conference for her film Star Trek in Seoul. 14 of 39 KIM KARDASHIAN Ramey The reality star is the ultimate frill seeker in a ruffled pink one-shoulder frock, jeweled pumps and classic black quilted bag while heading to a nail salon in L.A. 15 of 39 LAUREN CONRAD Bauer-Griffin Showing off her signature L.A. cool in a belted sapphire dress, black pumps and Chanel tote, the Hills star strolls through the city in style. 16 of 39 DEMI LOVATO Entertainment Press/Splash News Online The Disney star looks totally on-trend at the Hollywood premiere of Jonas Brothers: The 3D Concert Experience in a ruched black Shoshanna bubble dress and studded peep-toe booties. 17 of 39 RACHEL BILSON Flynet Making even running errands look stylish, the star layers leggings, a classic Brian Reyes T-shirt, black wrap and knee-high boots accessorized with a red Miu Miu bag on the streets of L.A. 18 of 39 JULIANNE HOUGH Brandon Todd/Splash News Online The Dancing with the Stars pro and country singer highlights her long legs in a belted black romper and dazzling strappy sandals at the National Guard Youth Challenge Gala in D.C. 19 of 39 JORDIN SPARKS Entertainment Press/ Splash News Online Who needs a gown when casual looks this good? The singer hits the red carpet at the Hollywood premiere of Jonas Brothers: The 3D Concert Experience in boot-cut denim, a sleeveless studded Guess by Marciano top and sky-high heels. 20 of 39 JESSICA ALBA Bill Davila/Startraks Hot mama alert! The actress shows off her famous figure in a black satin RM by Roland Mouret dress at the Vanity Fair Oscar bash in Los Angeles. 21 of 39 CARRIE UNDERWOOD Nick Sadler/Startraks The country star goes Hollywood glam in a white beaded one-shoulder Georges Chakra cocktail frock, matching Stuart Weitzman heels, Mary Norton clutch, Chopard jewels and bouffant updo for Elton John’s annual Oscar party in West Hollywood. 22 of 39 LAUREN CONRAD Michael Tullberg/Getty The Hills star joins the Oscar festivities in a pewter sequined minidress, wispy bangs and long ponytail at a chariy afterparty in Beverly Hills. 23 of 39 JESSICA BIEL Kristian Dowling/WireImage After a quick post-Oscars change, the presenter gets ready to party in her gold-belted fuchsia Oscar de la Renta dress at the Vanity Fair party in Los Angeles. 24 of 39 KATE BOSWORTH Evan Agostini/AP The actress glitters in a sequined Alexander McQueen sheath, metallic heels and sculpted updo at the Vanity Fair soiree. 25 of 39 SALMA HAYEK Alberto E. Rodriguez/Getty The newlywed makes a chic appearance in a bustled black Balenciaga cocktail frock at the Vanity Fair bash. 26 of 39 MADONNA Danny Moloshok/Reuters/Landov Diamonds are a girl’s best friend – and the Material Girl wears 500 carats worth of Neil Lane rocks with her sheer Dior gown on Oscar night. 27 of 39 MALIN AKERMAN Goff/INF She may play a superhero, but the actress looks more glamazon in her black sheer beaded Jenny Packham gown and Rene Caovilla shoes at the Watchmen world premiere in London. 28 of 39 KATE BECKINSALE Kevan Brooks/AdMedia Always the fashionista, the star makes the Oscar party rounds in a sweeping black one-shoulder gown and loads of diamonds. 29 of 39 VICTORIA BECKHAM Larry Busacca/Getty Coming off her Fashion Week success, the star makes a simply stunning appearance in long-sleeved black gown of her own design at the 17th Annual Elton John AIDS Foundation Oscar Party in L.A. 30 of 39 REESE WITHERSPOON Landov The actress is sweet in her black floral-embroidered Dior frock at the Montblanc Signature for Good Charity Gala. 31 of 39 GWEN STEFANI Kevin Mazur/VF/WireImage The singer has a date night out with husband Gavin Rossdale (not pictured) in a tulle Chanel Haute Couture dress, Roger Vivier shoes and Bulgari jewelry at the Vanity Fair Oscar party in Los Angeles. 32 of 39 NAOMI WATTS Kevin Mazur/VF/WireImage The International star shows off her stunning post-baby body in a custom lace Zac Posen gown at the Vanity Fair Oscar party. 33 of 39 CLAIRE DANES Andy Fossum/Startraks Fresh from her fashionable appearance at the Spirit Awards, the actress skips a gown for a tiered blush Zac Posen dress with a lace overlay. 34 of 39 SIENNA MILLER Jason LaVeris/FilmMagic Before returning to London for her Twenty8Twelve fashion show, the star hit the red carpet in a strapless Emanuel Ungaro gown and Ferragamo clutch at the Montblanc Signature for Good Charity Gala in Los Angeles. 35 of 39 DEMI MOORE Donato Sardella/WireImage The actress heeds the call of the wild at the Art of Elysium benefit presented by Vanity Fair and Bally in a Dolce & Gabbana leopard-print dress, Bally heels and clutch, and Neil Lane jewels. 36 of 39 LUCY LIU AR/Flynet The actress makes a dramatic appearance at the Montblanc Signature for Good gala in a white Giambattista Valli sheath with an attached cape, Tito Pedrini earrings, Roger Vivier clutch and Jimmy Choo heels. 37 of 39 JESSICA BIEL Kevork Djansezian/Getty The Oscar presenter went for architectural chic in her white satin Prada gown and Louis Vuitton jewels. 38 of 39 FREIDA PINTO Jason Merritt/Getty Her movie Slumdog Millionaire swept the Oscars – and the film’s star ruled on the red carpet in her one-sleeved John Galliano. 39 of 39 HEIDI KLUM Jen Lowery/Startraks The star not only looked good in her sexy Roland Mouret dress, but she did good – wearing the color red to raise awareness of heart health in women. 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