1 of 35
KIM VS. LINDSAY
celebrated her birthday in Las Vegas in her Brian Lichtenberg dress, while hit InStyle’s post Golden Globes bash in her hooded minidress.
2 of 35
EMILY VS. EVA
The paired her Dolce & Gabbana dress with neutral accessories for an event in October, while the actress added glitz and shine to her nude, ruched dress for the Critics’ Choice afterparties.
3 of 35
AMBER VS. JENNIFER
Heard looked white hot in Paule Ka at the Zombieland premiere in September, while Carpenter rocked the sharp-shouldered mini at the SAG Awards this past weekend.
4 of 35
JULIANNE VS. EDIE
Moore matches her fiery locks to her red-hot Bottega Veneta gown for the London premiere of Chloe, while Falco dons the flowing crimson number for the SAG Awards.
5 of 35
SALMA VS. MERYL
The keeps it simple by pairing her printed Balenciaga dress with a neutral clutch at the Cairo Film Festival in November, while the award-winning actress cinches the clingy gown with a patent corset belt for the SAG Awards red carpet.
6 of 35
KHLOE VS. LEA
Who doesn’t love a bargain? The newlywed rocked the Express sweater in black around her Calabasas, Calif., neighborhood while Glee’s Michele showed off her cozy $50 sweater in gray during a stop in New York City.
7 of 35
TAYLOR VS. GOLDIE
The youngest Gossip Girl cast member got glam in Dior for a 2009 Golden Globes bash, while the iconic star added a fur shrug to her shimmering black gown for the N.Y.C. premiere of Nine.
8 of 35
KIRSTEN VS. ROSE
celebrated the HollyShorts Film Festival in L.A. in her Miu Miu dress, while McGowan attended a magazine bash in November in her blue strapless dress.
9 of 35
SHAILENE VS. OLIVIA
The Secret Live of the American Teenager star picked her French Connection dress for a L.A. premiere, while the Iron Man 2 actress attended the Up in the Air premiere a few weeks later in her sequined minidress.
10 of 35
KEIRA VS. BLAKE
Same coat, same day, different continents! bundles up in her Burberry coat in London, while braces against the Big Apple chill in her shearling.
11 of 35
JESSICA VS. PARIS
The 90210 star paired her Alice + Olivia by Stacey Bendet dress with booties for a party in L.A., while picked her black-and-white striped dress for New Year’s Eve.
12 of 35
NICOLE VS. MARY-KATE
The lit up the Parisian premiere of Australia in her Dries van Noten coatdress, while the attended a fashion week event in her silver sparkling coat with boyfriend Nate Lowman.
13 of 35
ELIZABETH VS. HILARY
Banks gets ready for a flight out of LAX in her Express cardigan, while pairs her gray knit with a striped scarf and luxe bag for shopping in L.A.
14 of 35
RACHEL VS. MOLLY
hit a fashion high note in her Diane von Furstenberg dress at Bryant Park in September, while Sims picked the vibrant print as a skirt to pair with black for a charity fund-raiser a few weeks later.
15 of 35
KIMBERLY VS. CARRIE
Just days after Williams-Paisley wore her Alberto Makali gown to support her husband Brad Paisley when he cohosted the Country Music Awards in Nashville, Paisley’s cohost wore a version of the vibrantly printed gown to perform on Late Night with Conan O’Brien.
16 of 35
PARIS VS. STEPHANIE
The sparkled in an one-arm Brian Lichtenberg dress and Lia Sophia jewels back in October, while the Hills star added a statement necklace from the same jeweler to the sharp-shouldered number just last week.
17 of 35
ALI VS. JENNIFER
Larter paired her Hervé Léger mini with tough gladiator sandals and a chunky jeweled necklace last June, while worked her famous curves in the plunging dress last weekend with her favorite accessory – husband Marc Anthony!
18 of 35
RUMER VS. THANDIE
daughter went high fashion in her Stella McCartney lace jacket at a movie premiere last September, while the British actress added leather pants to the sexy topper for a night out in London last week.
19 of 35
KAT VS. RIHANNA
Kat de Luna sparkled in Christian Siriano’s peplum dress in New York City last month, while put her fierce spin on the blue frock with bold gold jewels and strappy sandals in Miami last weekend.
20 of 35
BEYONCé VS. OLGA
The international was white-hot in Elie Saab back in April, while the former Bond girl strikes a sultry pose in the cinched sheath at the label’s runway show in Paris last month.
21 of 35
BLAKE VS. JENNIFER
The Gossip Girl showed off her supermodel-long legs in a peplum Victoria Beckham frock last year in N.Y.C., while got major style points on the Grammys red carpet in the structured black dress this past weekend.
22 of 35
NAOMI VS. KATIE
It’s Sundance’s hottest jacket! First, paired the fashion-forward Tod’s coat with an all-black look for a premiere. A day later, topped off a long plaid dress and chunky scarf with the same parka, designed by the brand’s Creative Director, Derek Lam.
23 of 35
BEYONCé VS. DITA
The Grammy Award-winning showed off her famous curves in a clingy Elie Saab dress for a stop on The Late Show with David Letterman last year, while the burlesque beauty added a bold pop of blue to the designer’s couture show last week.
24 of 35
RACHEL VS. ASHLEY
The ’70s are back! rocked her MiH bell bottoms with a sweet pink peasant top and oversized cardigan last June, while the Twilight gave the flares a stylish update with a zipper-detailed tank and luxe Gucci bag back in January.
25 of 35
ELIZA VS. SELITA
The actress showed off her sexy side in a metallic Alexander Wang dress at the Spike TV Awards last October. A month later, the supermodel put her rocking body on display in the curve-hugging dress for the Victoria’s Secret Fashion Show afterparty.
26 of 35
HEIDI VS. JENNIFER
It’s the battle of the hot mamas! showed off her supermodel long legs in her Louis Vuitton mini at a store opening last month, while played up her famous curves in the jeweled dress at a book launch party last week.
27 of 35
KIM VS. "JWOWW"
The worked her curves in a belted dress from the Kardashians by bebe collection in January, while the Jersey Shore star celebrated her birthday in Las Vegas last month in a black version of the plunge-front dress.
28 of 35
ALEXIS VS. KELLY
Bledel paired her affordable H&M dress with peep-toe booties last month, while Osbourne added lacy gloves and metallic pumps – and her fuzzy pup Sid! – to the pleated frock the following day.
29 of 35
JENNIFER VS. CARRIE
showed off her mega-watt smile in a floral Gucci number last year, while True Blood actress Preston rocked the same flirty frock back in January.
30 of 35
JESSICA VS. ALI
The Gossip Girl star sparkled in her one-shouldered Ports 1961 dress at the BAFTA LA Awards Season Tea Party back in January, while the former Miss U.S.A. cinched the glittering dress with a metallic sash for an Oscars bash this past weekend.
31 of 35
COURTENEY VS. MEZHGAN
Hollywood’s hottest showed off her enviable figure in Victoria Beckham’s glam black gown in January, while Simon Cowell’s fiancé rocked the cinched dress for Elton John’s Oscar Viewing Party this past weekend.
32 of 35
BLAKE VS. ALICIA
Gossip Girl’s sexy showed off her gams in Balmain’s sharp-shouldered sequin mini at a post-Emmy party last August, while the rocked the sparkling, plunging number for the Brit Awards last month.
33 of 35
DREW VS. HELENA
matched her two-toned bob to her yellow-and-black Alexander McQueen dress at the Toronto Film Festival last September, while Christensen hit the catwalk in the sheer-topped frock at a charity runway show during New York Fashion Week last month.
34 of 35
RIHANNA VS. LEIGHTON
The stepped out in London in MiH’s “Olso” skinny jeans last May, while the Gossip Girl kept it casual in the same pair for a flight to L.A. last summer.
35 of 35
CHLOE VS. ROSE
The Big Love star was all ruffles in a Valentino gown for the Golden Globes in January, while McGowan tried the flirty mini version for a movie premiere just a few weeks later.