Lifestyle Style Last Night's Look: Hit or Miss? Vote on this week's styles including Fergie, Katy Perry more stars! You decide – are they fashionistas or flops? By People Staff Published on March 19, 2011 04:00 PM Share Tweet Pin Email Trending Videos 01 of 46 FERGIE Frank Micelotta/Fox/PictureGroup The is a modern-day Marilyn Monroe, wearing a white halter dress and neon accessories to perform on American Idol in L.A. 02 of 46 KATY PERRY Tony Clark/Splash News Online Showing off her hard-earned figure, the sparkles in a metallic Matthew Williamson sheath with embellished neckline at a charity event in London. 03 of 46 IVANKA TRUMP Fame What bump?! The designing mom-to-be makes her legs the focus in a black mini and peep-toe Mary Janes to promote her shoe line in New York City. 04 of 46 KIM KARDASHIAN Ramey Layer up! is prepared for all weather in shearling boots, cargos, a light scarf and denim jacket while shopping in Beverly Hills, Calif. 05 of 46 TAYLOR SWIFT Marc Piasecki/FilmMagic The masters Parisian chic in a sweet striped boat-neck top, miniskirt and crimson lips while leaving her hotel in the City of Light. 06 of 46 NATASHA BEDINGFIELD Ferdaus Shamim/WireImage Masking her toned tummy in a loose blazer, the rocker showcases her legs in liquid leather leggings and ombré booties at London’s Vinspired Awards. 07 of 46 DEMI LOVATO Owen Beiny/WENN The newly tattooed laces things up from head to toe, topping off patterned tights with a sheer-panel frock in West Hollywood, Calif. 08 of 46 MARIA BELLO Tony DiMaio/Startraks The actress balances her draped one-sleeved frock with sleek strappy sandals and pulled back hair at an event for the Clinton Foundation in L.A. 09 of 46 KRISTEN BELL Luiz Martinez/Broadimage The glitters in an embellished Sea dress and Brian Atwood pumps at the 19th annual A Night at Sardi’s benefit for the Alzheimer’s Association in Beverly Hills, Calif. 10 of 46 HEATHER MORRIS Fame The Glee star ditches her cheerleading uniform in favor of a black bustier, cuffed blazer and second-skin jeans at PaleyFest in Beverly Hills, Calif. 11 of 46 SELENA GOMEZ Evan Agostini/PictureGroup Transitioning from “prom night” to press day, opts for a graphic bustier and tailored separates for a visit to MTV’s The Seven in N.Y.C. 12 of 46 KATIE HOLMES PPNY/GSNY/Splash News Online The shows off her all-American appeal in an olive bowtie blouse, Cindy Chao earrings, leather pants and long cardigan in N.Y.C. 13 of 46 TYRA BANKS Evan Agostini/PictureGroup kicks her black jumpsuit up a notch with a fun belt, purple pumps and berry lips for an appearance on MTV’s The Seven in Manhattan. 14 of 46 NAYA RIVERA Fame The black-and-white clad Glee star dips a toe into spring, adding turquoise suede wedges to her high-waisted pants and Alice + Olivia bow-tied blouse at PaleyFest in Beverly Hills, Calif. 15 of 46 KATE MOSS Nick Sadler/Startraks Matte or shine? The Dior’s lipstick layers her opaque leggings with a sequined blouse and leather-lapel blazer to open the Leicester Square W Hotel in London. 16 of 46 ROSE BYRNE Charles Eshelman/FilmMagic Rose heats up her LBD with a red-hot boyfriend blazer and matching belt at the Cinema Society & Montblanc screening of Cracks in N.Y.C. 17 of 46 JENNA USHKOWITZ Chelsea Lauren/WireImage With her collar up and a little slack on her skinny tie, Glee’s goth girl lets loose off-screen at PaleyFest in Beverly Hills, Calif. 18 of 46 KIM KARDASHIAN X 17 Good style is as simple as black and white for the , who pairs a three-quarter sleeve blouse with a tulip skirt for a night out with pals in L.A. 19 of 46 KATIE HOLMES James Devaney/WireImage She might have left her must-have bag behind for the night, but still brings on the glamour in an ice-blue Lanvin skirt and fluffy shrug in N.Y.C. 20 of 46 SELENA GOMEZ Albert Michael/Startraks The shows off her sleek figure in an embellished gray tank, scalloped black Tibi mini and pointy-toe heels before heading out to dinner in N.Y.C. 21 of 46 CHRISTINA AGUILERA Gregg DeGuire/PictureGroup To promote her upcoming talent competition The Voice in L.A., the slips into a red-hot minidress styled with a studded belt and metallic pumps. 22 of 46 TYRA BANKS Slaven Vlasic/Getty From catwalk to boardroom! The business school visits the New York Stock Exchange to celebrate the launch her new website in a wide-lapel taupe romper. 23 of 46 VANESSA MINNILLO Sara Jaye Weiss/Startraks The looks totally put-together in a fitted crimson Catherine Malandrino dress, worn with sparkling studs and nude pumps at a March of Dimes event in N.Y.C. 24 of 46 NICKY HILTON John Shearer/WireImage All in the family! The socialite supports aunt Kyle Richards at an Alice + Olivia shopping event in Beverly Hills in a printed, draped kimono top and black leggings. 25 of 46 THANDIE NEWTON Richard Young/Startraks The actress gets a jump on spring in a floral dress and strappy sandals at a Louis Vuitton party in London. 26 of 46 ALEXA CHUNG Richard Young/Startraks Also in London, the Brit trendsetter sports second-skin red jeans, a patterned button-up topped with an oversized blazer and on-trend cross-body bag to celebrate GQ’s spring/summer style issue. 27 of 46 SELENA GOMEZ Albert Michael/startraks The Wizards of Waverly Place conjures up a little fashion magic in a patterned Emilio Pucci bustier dress with lace overlay and Charme Silkiner earrings for The Late Show with David Letterman in N.Y.C. 28 of 46 WHITNEY PORT Michael Tran/FilmMagic Modeling a blazer from her own Whitney Eve line, the pairs her stripes with leather pants, silver sandals and a sunburst necklace at the Directives West runway show featuring her label in L.A. 29 of 46 ASHLEY GREENE Albert Michael/Startraks Proving that basic doesn’t have to be boring, the rocks her LBD with Melinda Maria earrings and Brian Atwood booties at SiriusXM’s N.Y.C. offices. 30 of 46 CLAIRE DANES Dario Cantatore/Getty The opts for an amplified houndstooth Yigal Azrouel wrap dress at MCC Theater’s 25th Anniversary Gala in N.Y.C. 31 of 46 THANDIE NEWTON PA Photos/Landov Thandie puts a chic spin on the animal print trend, layering a leopard patterned coat over a burgundy shift and adding matte tights for the In a Forest Dark and Deep press night at the Vaudeville Theatre in London. 32 of 46 KELLY RUTHERFORD Joe Corrigan/Getty The Gossip Girl star is statuesque in a silken one-shouldered gown and glittering Van Cleef & Arpels jewels at the School of American Ballet Winter Ball in N.Y.C. 33 of 46 MARY-LOUISE PARKER Eugene Gologursky/WireImage Kicking up head-to-toe black with burgundy boots, the actress adds jacquard trousers, a satin blazer and lace camisole to the mix at the Roundabout Theater Company’s Spring Gala in N.Y.C. 34 of 46 MICHELLE TRACHTENBERG Joe Corrigan/Getty Michelle is as light as air in a ruched, lilac Marchesa confection with gilded accents, an antiqued Marchesa clutch and David Yurman earrings at the School of American Ballet Winter Ball in N.Y.C. 35 of 46 TYRA BANKS Jason Kempin/Getty Harvard, here she comes! The MBA has done her fashion homework, rocking a black corset, high-waisted leggings and Alice + Olivia by Stacey Bendet embellished shrug for an appearance on Late Night with Jimmy Fallon. 36 of 46 ZOE SALDANA Jason LaVeris/FilmMagic The actress is lovely in a feminine leather jacket, Decades Denim jeans, leopard pumps and Anita Ko rings at the John Varvatos Stuart House benefit in L.A. 37 of 46 KIM KARDASHIAN INF looks sharp in a severe-shouldered tuxedo jacket, neutral top and quilted handbag while en route to dinner in L.A. 38 of 46 SIENNA MILLER Mike Marsland/WireImage The newly single is her own best model, dressed in Twenty8Twelve to launch the line at Selfridges in London. 39 of 46 JESSICA BIEL Splash News Online She’s flying solo! Also , the hits the town in Hollywood in indigo jeans, a chocolate leather jacket and a seriously statement-making feather earring. 40 of 46 MICHELLE MONAGHAN Norman Scott/Startraks The actress embraces the military trend in a belted khaki shirtdress, layered necklaces and nude patent pumps at the South by Southwest festival in Austin, Texas. 41 of 46 TORI SPELLING Albert Michael/Startraks Floral and flowing, finishes off her laidback glam look with gladiator sandals and a pinned-back braid while hosting son Liam’s birthday party at her Los Angeles home. 42 of 46 ELISABETH MOSS Splash News Online Elisabeth holds her own in pleated champagne gown with plunging neckline at the Olivier Awards in London. 43 of 46 ELLEN PAGE Norman Scott/Startraks The Inception actress is back in black, from her loose blouse and skinny jeans to her booties and tilted fedora, at SXSW in Austin, Texas. 44 of 46 BUSY PHILLIPS Jason LaVeris/FilmMagic Looking fierce in a flirty graphic-print frock, Irene Neuwirth jewels and banded sandals, the Cougar Town star is ready to meet up with her former Freaks and Geeks castmates at the show’s reunion event during PaleyFest in Beverly Hills. 45 of 46 BRITTANY SNOW Norman Scott/Startraks The Harry’s Law star goes wild with a tiered top, black skinny jeans and a blonde mane at the SXSW festival in Austin.Vote on Last Week’s Looks! > 46 of 46 MANDY MOORE Dominic Chan/WENN After wowing in glam gowns during awards show season, the dials it down in a blazer-topped red blouse and leggings at a Virgin Mobile event in Toronto, Canada.Vote on Last Week’s Looks! >