1 of 30
VICTORIA VS. HEIDI
The designer hits the streets of Manhattan in her own creation topped with a fur shrug, while her supermodel pal shows off her famous shape at a Victoria’s Secret launch in her plunging black sheath and the same YSL pumps as Posh.
2 of 30
AUDRINA VS. BEYONCé
The reality star paired her Chaser T-shirt with a slim skirt for a video-game launch party in Los Angeles, while the singer added a leather jacket and jeans to her Prince homage tee at pal Kelly Rowland’s birthday bash in L.A.
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4 of 30
MISCHA VS. CAT
The actress celebrated the opening of the Atlantis hotel in Dubai in her Matthew Williamson gown, while the So You Think You Can Dance? host hit an Oscars party in her floral one.
5 of 30
GUILIANA VS. KRISTIN
The E! host chatted on the Grammys red carpet in her Rami Kashou dress, while the reality star hit a magazine bash in Los Angeles in her black-and-white one by the Project Runway finalist.
6 of 30
MELISSA VS. ANGIE
The Grey’s Anatomy star attended a charity event in Los Angeles in her Todd Lynn dress back in November, while Harmon heated up a pre-Oscars dinner in her fur-trimmed sheath.
7 of 30
JESSICA VS. AMANDA
The singer heads out for a night on the town with boyfriend Tony Romo in her pink Hervé Léger skirt and leather jacket, while the actress celebrates the McQ Alexander McQueen line for Target in her second skin pink miniskirt.
8 of 30
CARRIE VS. KHLOE
The singer picked her purple Badgley Mischka for the 2008 CMT Music Awards, while the reality star attended the designers’ show in the black version of the dress this February.
9 of 30
LEIGH VS. LEIGHTON
The star deejay attended the 3.1 Phillip Lim show in her tiered dress, while the Gossip Girl queen promoted Reeboks in her beige dress and navy leather jacket.
10 of 30
CARLA VS. ELLE
The Watchmen star got glam in her green Roberto Cavalli gown for the film’s L.A. premiere, while the supermodel turned up in the same glittering green gown a few days later at the Women’s World Awards gala in Vienna.
11 of 30
TAYLOR VS. KELLIE
It’s a BFF battle! Swift wore her silver-edged Badgley Mischka dress to a charity event in N.Y.C. in May, while Pickler sat front row at the design duo’s Fashion Week show in the black sequined version of the sparkling dress.
12 of 30
LINDSAY VS. DIANE
Lohan headed out for a night on the town in L.A. with Lily Allen (not pictured) in her Alexander Wang minidress, while Kruger paired her color-blocked dress with sheer stockings for an art gallery event in N.Y.C.
13 of 30
BECKI VS. RASHIDA
The Ugly Betty star paired her 3.1 Phillip Lim dress with a leather jacket for the designer’s Fashion Week show, while the I Love You, Man actress just added strappy heels to her beige sequined dress for an Oscars party.
14 of 30
LILY VS. DEBRA
The British singer hit the GQ Awards in September in her Dolce & Gabbana gown, while the actress hosted the Costume Designers Guild Awards in her fur-print ballgown.
15 of 30
LESLIE VS. DEMI
The Confessions of a Shopaholic costar wore her Shoshanna strapless dress to the Frost/Nixon premiere in N.Y.C., while the Disney darling put on the ruffled frock to support tourmates the Jonas Brothers for the premiere of their 3-D film.
16 of 30
VICTORIA VS. BROOKE
The designer showed off one of the dresses from her signature collection at a fashion show last September, while the actress hit a party in West Hollywood this week in her belted black strapless dress.
17 of 30
HAYDEN VS. ASHLEY
The Heroes star attended a political event in Washington, D.C., in her jeweled Akiko Ogawa dress in January, while the High School Musical 3 actress paired her glittering black mini with open-toed booties for the Kids’ Choice Awards this weekend.
18 of 30
EVA VS. JESSICA
The Desperate Housewives star celebrated the Guadalajara Film Festival in her glittering white dress this month, while the 90210 actress took in the Badgley Mischka fashion show in the desingers’ feathered dress back in February.
19 of 30
KELLY VS. DEBI
More Victoria Beckham fans! Ripa hit the streets of N.Y.C. in her slim dress from Beckham’s collection, while Mazar attended the Latisse launch in L.A. the next day in her figure-hugging cobalt sheath.
20 of 30
KRISTEN VS. JORDANA
The voice of Gossip Girl paired her Jenni Kayne leather jacket with a printed skirt for a screening in February, while the Fast & Furious star topped her Reem Acra satin dress with her perforated leather jacket for a German premiere.
21 of 30
ASHLEY VS. MILEY
Battle of the Disney stars! The High School Musical 3 actress paired her Free People tunic with brown boots for a coffee run in July, while Hannah Montana herself wore the tie-dyed tunic with jeans in L.A. last week.
22 of 30
ASHLEE VS. KATIE
The then-pregnant star went shopping in her Juicy Couture maxidress last summer, while the actress headed out to dinner with husband Tom Cruise in Rio de Janiero in her blue and yellow dress in January.
23 of 30
JOY VS. BECKI
Bryant topped her Matthew Williamson dress with a blazer for the designer’s store opening during Fashion Week, while Newton kept it simple with strappy sandals a few weeks later for a screening of I Love You, Man in N.Y.C.
24 of 30
MILLA VS. ELIZABETH
The model-actress showed off her mile-long legs in her Roberto Cavalli minidress at the designer’s store opening in Paris, while a week later, the W star attended the I Really Love You, Man premiere in her white lace dress.
25 of 30
LILY VS. KRISTEN
The young fashionista – and daughter of Phil Collins – paired her Hervé Léger by Max Azria dress with black accessories for the line’s runway show, while the Adventureland star kept it simple with black pumps for the film’s Los Angeles premiere.
26 of 30
ISLA VS. KIM
The Confessions of a Shopaholic star attended a benefit in L.A. in her gray Lela Rose dress, while the reality star lit up a charity event in N.Y.C. in her ruffled frock.
27 of 30
JENNIFER VS. PADMA
The actress-singer posed on the Dolce & Gabbana runway last September in the designers’ white corset dress, while the Top Chef host hit the Bravo A-List Awards this weekend in her figure-hugging Dolce & Gabbana dress.
28 of 30
GWEN VS. ASHLEY
The singer paired her ALC leather jacket with bright yellow booties for a charity event in Palm Springs, while the Disney actress picked distressed white jeans to set off her black leather jacket.
29 of 30
SHENAE VS. MISCHA
The 90210 actress partied at InStyle’s Golden Globes bash in her Alberta Ferretti dress, while the fashionista walked the red carpet at the P&G Beauty and Grooming Awards in London in her beaded and fringed dress.
30 of 30
LINDSAY VS. PARIS
The former Lipstick Jungle actress sizzled in her bronze Nicole Miller dress at a Fashion Week event in N.Y.C., while the heiress launched her new sunglasses line last week in her blue version of the ruched dress.
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