These stars showed up at different events (or sometimes the same) sporting the same duds as other celebrities. Check out where and when, and decide who you think wore it better!

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Stella McCartney apparently created the perfect party address for the awards season, as both Eva Mendes and Jenny McCarthy both sported the sexy one-shoulder silhouette on the red carpet. McCartney did an updo and peep toe pumps at the AMA's and Eva wore her hair down and accessorized with gold the MTV Movie Awards.
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Paris Hilton attended the Victoria's Secret Fashion Show on Nov. 10 wearing the same Louis Vuitton print dress that Avatar beauty Zoe Saldana sported back in February. Both pulled their hair back, carried a clutch and wore a bracelet, but the heiress chose to sport her dress with a pair of opaque black tights.
A Kardashian déjà vu may have sparked some sibling rivalry. Only a few days after Khloe, 26, wore a shapely Bebe dress to a Weezer concert, big sis Kim, 29, flaunted the same one on a night out with friends. Us Magazine reported that Khloe can't stand being compared to her sisters, and said she's been called the "fat" one.
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Good thing it was planned, or that could have been embarrassing! Jamie Lee Curtis and Sigourney Weaver chose to wear the same teal David Meister dress to the premiere of their new comedy 'You Again.' Weaver accessorized the stretch satin ruched, one-shouldered number with a broach and strappy sandals, while Curtis kept it simple with a bracelet and camel pumps.
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Mary J. Blige and Drew Barrymore both sported a golden Catherine Malandrino gown from the Holiday/Resort 2011 collection. Blige chose the flattering silhouette for a benefit at New York City's Cipriani. and Barrymore chose the floor-skimming dress for a screening of her new romantic comedy, 'Going the Distance,' in LA.
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Actress Alyssa Milano rocked a Corey Lynn Calter corset dress while partying in L.A. while Glee star Dianna Agron wowed in the striped frock at a premiere last September.
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Singer Katharine McPhee donned an Armani Exchange romper for a Party in Beverly Hills in May, while reality star Kelly Bensimone wore the printed one-piece in for a Premiere June 23.
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Actress Zoe Saldana sported her grey Herve Leger dress while attending an after party in West Hollywood and Eva Longoria Parker paired the dress with a blue purse and pumps while in Cannes.
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Mad Men star January Jones paired her Alice + Olivia peplum dress with white heels and an up do for a bash in LA on May 24, while real housewife Bethenny Frankel spiced it up with hot pink heels and wavy hair on June 17.
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Julianne Hough flaunted her figure in the same black cut out Camilla and Marc mini dress to the MTV Movie Awards this month that Fergie wore to the Nine Premiere last December. Fergie chose to wear her hair slicked back while Hough left her long golden locks down. Who do you think wore it better?
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British Model Daisy Lowe paired her yellow polka dot Dolce & Gabbana dress with a black cardigan and tights at the CFDA Awards this month, while 'Twilight' star Ashley Green kept her look simple and clean.
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Leanne Rimes belted her geometric shape Mara Hoffman mini dress for the CMT awards June 9, while reality star Tinsley Mortimer picked the same print romper to wear to Christina Aguilera's "Bionic" album release party on the same night.
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Kim Kardashian wore the same one shoulder coral colored Rachel Roy dress to a cosmetic industry event on May 21st as Tyra Banks sported at the day time Emmy's back in August 2009. Both chose to pair the frock with natural colored pumps. Tyra wore cuff bracelets on both arms while Kardashian chose to go without any jewelry.
Carma Electra strutted her stuff in the same long sleeve Oday Shakar’s sequin cowl back cocktail dress to an event for NYX on May 18th as Audrina Patridge wore during MTV’s Los Premios Awards in November. SO? Who wore it better?
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Olympic ice skater Johnny Weir adds some glitter to his 'do with a sparkling headband at an event for the Breast Cancer Research Foundation on April 27. Country music star Taylor Swift donned the same headband last year at the Country Music Awards.
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Demi Moore wore her draped Zac Posen dress accessorized with black satin shoes and lots of silver bracelets to a fashion event back in 2009, while Kate Beckinsale sported the number with a simple cocktail ring and beige and black heels to an event in Las Vegas on April 10.
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Curvaceous Jessica Simpson visited the 'Late Show With David Letterman' on March 10 wearing the same pink print 3/4 length dress that petite Reese Witherspoon wore back in October to celebrate the launch of her new fragrance. Simpson accented her waist with a black belt, while Witherspoon opted to show more leg, raising the hem above the knee.
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Both Blake Lively and Jennifer Hudson showed off their curves in a structured mini dress from Victoria Beckham's collection. Lively was the first to wear the piece back in October, and Jennifer Hudson paired it with black tights during the 2010 Grammys in LA on Jan. 31.
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Kim Kardashian celebrated her birthday in Las Vegas on Oct. 16 in her sparkling Brian Lichtenberg dress, while Lindsay Lohan hit InStyle's post Golden Globes bash Jan 17, opting to wear the hood up in her minidress.
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Jersey Shore breakout star Jenni 'J-WOWW' Farley wore a Purple BCBG dress to the Spike TV Video Game Awards on Dec. 12, perhaps drawing inspiration from Carrie Underwood, who wore the frock in orange to an event at Disneyworld back in February.
Vampire Diaries Nina Dobrev and Nicky Hilton wore the Alice + Olivia by Stacey Bendet “Sara Strapless Draped Dress”, only two days apart. Nicky showed off her legs on Dec. 10 by leaving them bare while in LA, while Nina wore sheer leggings and a layered necklace on Dec. 8 in West Hollywood.
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The mother to be, actress Jenna Elfman, camouflaged her baby bump with a red and black striped Alexander McQueen dress on Oct. 22, while Rihanna turned her cowl neck into a hood for a visit to the MTV studios on Nov. 9.
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Twilight star Ashley Greene and Real Housewives of Orange County star Gretchen Rossi both sported a gold Gryphon shift dress. Greene decided to pair it with a trench coat and belt on Nov. 10, while Rossi let it all hang out 2 days later on Nov. 12.
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Both singer Jessica Simpson and British actress Thandie Newton sported their Stella McCartney coatdress. Simpson while in Manhattan on Oct. 14 and Newton back in July while in London.
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Gweneth Paltrow wore her Preen dress for a charity event back in July, while Fergie recently wore hers at a press conference on Dec. 4 in Mexico City.
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Mariah Carey wore this sexy Marc Bouwer gown back in 2004 to a gala, while the transgendered Nip/Tuck star wore it on Nov. 22 at the 2009 AMA's in LA.
Actress Evan Rachel Wood belted her Gucci dress for the Young Hollywood Awards in June, while Latina rocker Shakira wore hers more recently to the Bambi Awards on Nov. 26.
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Actress Jessica Alba wore her red and black velvet Prada dress to the 2009 Global Initiative reception at the MoMA in September, while Vogue Editor-In-Chief Anna Wintour wore hers to the MoMA on November 17.
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Singer Leanne Rimes sizzled in her tiered Julia Clancey dress for the 2008 CMT awards in April 2008, while former Miss USA beauty queen Shanna Moakler wore hers while promoting her new cosmetic line on October 13.
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Katy Perry and Blake Lively wore similar dresses from Marchesa's Spring 2010 collection. Perry wore her version to the 2009 MTV Europe Music Awards, while Lively wore her version of the dress to the Where The Wild Things Are premiere.
Actress Eliza Dushku arrives at Spike TV's 'Scream 2009!' awards in October wearing her glam metallic minidress, while Victoria's Secret model Selita Ebanks shimmers in the same dress while she attends the annual Victorias Secret Fashion show on Nov. 19.
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Actress Anne Hathaway sported her black and rainbow Marc Jacobs dress with black tights to a dinner in October, while Chanel Iman chose to wear hers while she walked the pink carpet during her first Victoria's Secret fashion show on Nov. 19.
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Rose McGowan recently wore her navy pocketed minidress to the GQ Men of the Year Party in LA on November 18, while Kirsten Dunst chose an A-line version of the dress back in August for a film festival.
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Rachel McAdams rocked her Stella McCartney mini dress, offsetting it with red lips and red nails on back in Sept., while comedy queen Kristen Wiig offset it with red tights at the Gotham Independent Film Awards on Nov. 30.
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Rihanna donned a peek-a-boo body suit at the 2009 American Music Awards similar to the one that Milla Jovovich wore back in 1997 in the cult classic movie "The Fifth Element."
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Kate Moss rocked her black leather dress with bare legs and a studded black belt in Paris in October, while French Vogue editor Carine Roitfeld paired hers with sheer black tights and suede ankle boots while in Beverly Hills Nov. 13.
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Sandra Lee, the TV Food Network host, hit the Daytime Emmy Awards in her red Badgley Mischka dress, while Eva Longoria Parker attended a reception in LA on Nov. 16.
Drew Barrymore wore the same purple Victoria Beckham designed dress to the screening of Everybody's Fine on Nov. 3 that Kelly Ripa wore to an event in Times Square back in Sept.
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Do these two share a closet? First the Kardashian wore the same Brian Lichtenberg mini dress to her birthday on October 17 as singer Ciara wore to her album release party back in May...
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THEN, Kim Copied Ciara again when she wore the same Zara dress to a charity even on November 3 as Ciara wore while out shopping back in August.
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Mandi Moore wears the same black 3.1 Phillip Lim gown to a a charity event in LA on Nov. 10 that Jessica Biel chose to wear in ivory to a NYC premiere back in May.
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Katy Perry hosts the European MTV music awards Nov. 5 wearing the same Marchesa dress that actress Camilla Belle wore to the Rodeo Drive Walk of Style Awards on October 22.
Well that's awkward... Both P!nk and Shakira showed up on the red carpet of the MTV VMA's on Sept. 13 wearing the same black Balmain mini dress. They both looked smokin' to us, but decide for yourself who wore it better.
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It was the same Balmain dress that Aussie singer Kylie Minogue wore to a charity event months earlier in May.
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Mariah Caret arrived at the Hollywood screening of her new film 'Precious' on November 1st wearing the same black gown that Kate Winslet wore to the Orance Orange British Academy Film Awards (BAFTA) back in February.
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These two hot ladies chose the same Antonio Berardi mini dress but in different colors. Kanye West's girlfriend Amber Rose wore the red version for an ELLE event, while sexpot Megan Fox wore it in lilac for another event.
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Obviously this Camilla and Marc dress is a popular dress among the young starletts in Hollywood. Actress Lea Michele wore her dress plain in September, Anna Lynne McCord wore her dress with a belt and orange pumps in August and Ashley Tisdale wore it most recently to the MTV Latin America Awards on Oct. 15.
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Actress Anne Hathaway attended the Costume Institute Gala in May wearing a strapless Marc Jacobs while Anna Paquin chose the runway version for an event on Oct. 17.
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Staged fashion disaster? Kim Cattrall and Miley Cyrus sparkled in the same short silver sequined dress with a studded black belt while filming a red carpet movie scene for the Sex in the City sequel on Oct. 17.
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These sisters obviously share a closet! Kim, who wore her H&M white sheath dress back in May lent it to her sister for an event in Las Vegas on Oct. 16.
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Supermodel Iman wears her Donna Karan gown to a gala on October 7, while former Bond girl Eva Green hit the red carpet wearing the same gown more recently in London on Oct. 25.
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Leanne Rhymes chose to wear the same black corded Kimberly Ovitz dress, paired with embroidered tights and a belt to a Yahoo! yodel competition (ummm...) on Oct. 13 as actress Alexis Bledel did to back in August.
Katie Cassidy first wore the navy one sleeved Brian Lichtenberg dress to the ‘Melrose Place Launch Party’ back in August, pairing the dress with Bebe platforms and a silver Swarovski clutch. Paris Hilton attended the ‘Fox Reality Channel Really Awards’ in October rocking the same sparkling mini dress.
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Eliza Dushku paired her Kimberly Ovitz dress with black opaque tights, a necklace and one fingerless glove wile appearing on The Late Show with David Letterman on Oct. 6, while Big Love star Chloe Sevigny kept it simple back in July, only pairing it with a sexy pair of heels.
Kourtney Kardashian doesn't let her baby bump get in the way of her style, wearing an Isabel Lu dress while at a store opening in Beverly Hills on Oct. 7. Actress Shenae Grimes wore the same dress while in London back in August.
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Khloe Kardashian attended a Launch Party wearing the same Alexander Wang purple frock on October 7 that Gossip Girl Blake Lively was spotted on set wearing back in August.
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Both Marion Cotillard and Jessica Stroup were ladies in red while rocking their Vivienne Westwood dresses. Cotillard wore hers to a premiere in London back in June, while Stroup attended Westwood's show during Paris Fashion week on October 2.
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Singer Shakira rocks her Torn by Ronny Kobo dress with a pair of black tights while in Madrid to promote her new album on Sept. 28. Gossip Girl Taylor Momsen rocks her plaid dress with peep toe boots and rocker bangles while at an event in NYC back in July.
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Kate Winslet wore the shear sleeved Stella McCartney dress while attending a screening back in June, while first time director and american sweetheart Drew Barrymore chose to wear the dress while promoting her film Whip It on Sept. 28.
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Singer Julianne Hough wore her coral Jenny Packham minidress to the CMT Music Awards back in June, while former Destiny's Child singer Michelle Williams attended a fashion show in London on Sept. 19 wearing the same frilly frock.
TV host Kelly Ripa wore her RM by Roland Mouret dress on Sept. 18 while Reese Witherspoon sported the same dress back in April.
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Actress Katie Cassidy wore the same pink Hervé Léger by Max Azria dress to a pre-Emmy party on Sept. 17 that Actress Amanda Bynes wore back in January to the Critics Choice Awards.
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Eva Longoria Parker chose a one shoulder strap tiered Gustavo Cadile gown while presenting at the Alma Awards on Sept. 17, while Emily Deschanel attended a TV festival wearing a strapless version of the gown back in June.
Petite Olympian gymnast and DWTS champ Shawn Johnson wore the Elizabeth & James dress to the CMT Music Awards in June before Actress Isla Fisher sported it to a screening on Sept. 17.
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Actress Sophia Bush wore her Hervé Léger by Max Azria dress with slicked back hair and accessorized with earings back in Aprili, while socialite Tinsley Mortimer rocked hers with a clutch and hot heels on Sept. 15 during fashion week.
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Well that's awkward... Both Michelle Trachtenberg and Lauren Conrad wore the same Rebecca Minkoff polka-dot top with black skinny pants to the designer's presentation on Sept. 14.
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Victoria Beckham wears one of her designs while promoting her clothing line in July. It must have inspired singer Mary J. Blige, who ended up wearing the Dress to the Toronto Film Festival Sept. 13.
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Same show. Same dress. Different color. Both Tori Spelling and supermodel Alessandra Ambrosio showed up to designer Christian Siriano's show on Sept. 12 wearing the same metallic dress. Tori chose the blackened gold and Ambrosio chose the bright gold. Not that we're judging (ok, we are totally judging) but its obvious who pulled the look off better.
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Sara Paxton attends the premiere of her show The Beautiful Life on Sept. 12 wearing a Giles Deacon minidress, while Vicotoria Beckham rocked the same dress with some thigh high black boots on Fashions Night Out in NYC just 2 nights before.
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Actress Diane Kruger visits Late Show With David Letterman wearing a Chanel dress on August 18, while Actress Shantel VanSanten attends "The Final Destination" film premiere on August 27 wearing the shorter version.
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Actress Lily Collins attends a party in London on August 20 while wearing her Alice + Olivia top tucked into a blue bubble skirt, while just 6 days later Actress Michelle Trachtenberg attends a private concert in NYC, pairing her top with black skinny jeans and a clutch.
Anna Paquin wore the same black Herve Leroux dress (only with sleeves) to a Nylon Magazine launch party on August 24 as Megan Fox did when she visited the Late Show With David Letterman back in June.
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Talk about behind the times. On July 25, Lisa Rinna wore a gold version of the same Roberto Cavalli dress that Kate Hudson wore back in 2005.
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Fergie looked fierce in an Alexander Wang dress while attending her album launch party on June 25. Khloe Kardashian rocked the same dress for a benefit back in May.
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Lauren Conrad wore a D&G bustier dress to a movie premiere on July 14. Khloe Kardashian wore the same dress in June while celebrating her 24th birthday at Pure nightclub in Las Vegas.
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Gossip Girl star Leighton Meester chose the olive green Pencey dress to wear to the Tribeca Film Festival in April, while fashionista Amanda Bynes sported the dress in back for the Cosmo Magazine party on July 14.
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Amber Tamblyn wore her Alice + Olivia dress sinched with a black belt and black tights in June for a party at the Whitney in NYC and Khloe Kardashian sported hers for a vodka party in NYC on July 9.
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Carrie Underwood and Carmen Electra have both sported this girly pink Jenny Packham dress. The dress was first worn by Carrie as she returned to “American Idol” for a guest appearance in May. Carmen filled out her ensemble in Las Vegas at a party on July 9.
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A Kardashian déjà vu may have sparked some sibling rivalry. Only a few days after Khloe, 26, wore a shapely Bebe dress at a Weezer concert, big sis Kim, 29, flaunted the same one during a night out. Us Magazine reported that Kim can't stand being compared to her sisters, and said she's been called the "fat" one.
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