1 of 39
Triple-threat double-take: A Rachel Zoe Collection-clad opts for simple head-to-toe black in N.Y.C., while goes monochromatic (with lots of bling) in her white tuxedo dress in Paris.
2 of 39
JESSICA VS. EMMA
wears her Max Mara coat open with an oversized scarf and distressed jeans in N.Y.C., while later in the same city, adds equestrian boots.
3 of 39
RACHEL VS. HILARY
keeps her Vkoo sweater simple with jeans and flats in Los Feliz, Calif., while expectant mom belts it over a maxi in Toluca Lake, Calif.
4 of 39
ASHLEY VS. TIFFANY
tops her 6 Shore Road dress with a contrasting belt and high pony in L.A., while Tiffany adds a long pendant and braid in N.Y.C.
5 of 39
JULIANNE VS. KOURTNEY
The wears her Rachel Roy mini with bold golden pumps in Beverly Hills, while the chooses black accessories in Las Vegas.
6 of 39
WHITNEY VS. JESSICA
The covers up an all-black ensemble with her Esprit printed coat, while the CW actress pairs hers with a mini, booties and tan bag.
7 of 39
ANGELINA VS. KATE
The lets her poppy-hued Jenny Packham gown take center stage in L.A., while the sparkles in a similar silver version in London.
8 of 39
ASHLEY VS. VANESSA
keeps her Minkpink shorts laid-back with a sweatshirt and booties in Toluca Lake, Calif., while her picks a graphic tee and buckled boots in Hollywood.
9 of 39
KELLY VS. KELLY
The Real Housewife shows plenty of leg in her violet Ramy Brook number and metallic sandals in April, while the Gossip Girl wife warms it up with tights and pumps in this fall.
10 of 39
GIULIANA VS. JUDY
The TV host pairs her blue Tadashi Shoji mini with similarly ruffled pumps in Beverly Hills, while the actress wears her black version with two-tone peep-toes in West Hollywood.
11 of 39
JESSICA VS. KIM
The wears her Love Sam top with cutoffs and peep-toes, while the picks leather leggings and booties.
12 of 39
KATIE VS. EVA
Katie goes downtown chic with her Alice + Olivia metallic sheath with major black platforms and a golden bangle, while accents hers with an updo and nude pumps.
13 of 39
JENNA VS. KYM
The Glee actress tops her Kimberly Taylor dress from Stylehaus with a little hat in May, while the DWTS hoofer picks bold gold accessories at an Emmys bash.
14 of 39
PIPPA VS. OLIVIA
shows off her style by adding a blazer and flats to her French Connection dress, while the actress belts hers and adds bold accessories.
15 of 39
ISABEL VS. EMMY
Isabel gives her Madewell pleated dress a boho twist with a headpiece and velvet sandals, while Emmy goes preppy with a cardigan and oxfords.
16 of 39
TIFFANY VS. KARINA
The actress wears her sequined Bebe dress with satin peep-toes and a clutch, while the dancer chooses chunky nude pumps and statement earrings.
17 of 39
KOURTNEY VS. AMBER
The reality star does date night in a Ted Baker ensemble and snakeskin pumps in N.Y.C., while the actress wears her outfit with a red clutch and pointy pumps in L.A.
18 of 39
AUDRINA VS. KRISTIN
The sparkles in an orange studded Rachel Gilbert mini, bow clutch and strappy sandals in Hollywood, while the Glee club member keeps hers classic with just black peep-toes in L.A.
19 of 39
KATIE VS. JESSICA
does double denim with her Paige “Bell Canyon” flares in Beverly Hills, while picks a ladylike bow blouse and studded bag in Toronto.
20 of 39
MADONNA VS. JENNIFER
hit London’s Heathrow in a Gucci vest over a button-up and two-tone Oxfords, while glammed up hers with leather leggings and pumps in N.Y.C.
21 of 39
EMMA VS. KIMBERLY
The paired her Bottega Veneta dress with a woven clutch and fiery pumps in June, while the Band Perry singer picked the same clutch and added strappy sandals and a cuff in November.
22 of 39
COURTENEY VS. KATE
The cinches her Lanvin frock and adds sandals in Beverly Hills, while the dons the same dress under a sleek blazer and sexy pumps in London.
23 of 39
SARAH JESSICA VS. BUSY
wears her Marc by Marc Jacobs dress loose with pumps on set in N.Y.C., while Busy buttoned and belted hers and added boots in L.A.
24 of 39
EVA VS. VICTORIA
The added sky-high pumps and drop earrings to her Victoria Beckham sheath in L.A., while the wore her creation with boots (and some adorable arm candy, her new daughter!).
25 of 39
JESSICA VS. PIPPA
The bundles up in her Fay coat with an oversize scarf and messenger bag in L.A., while pops her collar and adds a contrasting purse in London.
26 of 39
JENNA VS. REESE
The Glee star keeps her Twenty8Twelve dress simple with chunky sandals in L.A., while the wears hers with a blazer and booties to a West Hollywood event.
27 of 39
CORINNE VS. ESTELLE
Corinne pairs the tan version of her Alice + Olivia gown with a chain-strap clutch, while Estelle adds colorblock pumps and glam earrings to her red-and-black variation in L.A.
28 of 39
RACHEL VS. MIRANDA
The wears her Louis Vuitton frock with a matching belt and sandals at the 2010 Met Gala, while the supermodel opts for a wide black belt and peep-toes in Sydney.
29 of 39
JULIANNE VS. STELLA
The actress picks Stella McCartney’s blousy bow baby-doll and adds strappy sandals in N.Y.C., while the designer wears her own dress with pumps and an updo.
30 of 39
SELMA VS. JESSICA
Selma topped leather leggings and a glam necklace with her Beckley by Melissa cape coat in October, while Jessica wore hers with jeans and flats a month later.
31 of 39
ZOË VS. ALESSANDRA
The actress wore her Balmain dress with a flowing train and strappy sandals in August, while the model kept her metallic mini simple with nude peep-toes in November.
32 of 39
MICHELLE VS. OLIVIA
The Gossip Girl star wore her LOFT leopard coat with a heart-emblazoned sweater last week, while the socialite paired the same coat with a seafoam green top, gray skirt and killer heels in N.Y.C.
33 of 39
CHELSEA VS. KIM
The Chelsea Lately host picked strappy sandals and a choker to go with her Stella McCartney jumpsuit at a Glamour event, while the Sex and the City star belted hers and added simple pumps to debut her new play.
34 of 39
JULIE VS. JULIE
The A Gifted Man actress added bejeweled shoes and a charcoal clutch to her Colette Dinnigan dress in September, while the Modern Family mom sparkled in silver T-strap heels and dangling earrings in November.
35 of 39
ASHLEY VS. REESE
The Twilight wears her Rails button-up with leather leggings and high boots in Hollywood, while Reese opts for laid-back jeans and sandals in Beverly Hills.
36 of 39
JANUARY VS. ISLA
The new mom sports her Madewell polka-dot sweater with dark jeans and low boots in Los Feliz, Calif., while Isla tops a skirt and tights with hers in Century City, Calif.
37 of 39
KOURTNEY VS. BRITTANY
The actress picks red heels to go with her Alice + Olivia dress in N.Y.C., while the adds black pumps and a snakeskin clutch to her dress in Las Vegas.
38 of 39
LADY GAGA VS. ANNA
The gives her Moschino frock the Breakfast at Tiffany’s treatment in Las Vegas, while the actress opts for simple cap-toe pumps.
39 of 39
MARION VS. GEORGINA
The actress wears Dior with satin pumps and scarlet lips in Paris, while the Marchesa designer chooses a chain-strap bag and bold booties for an N.Y.C. event.
Vote on More Fashion Faceoffs >
Nicole Kidman and Husband Keith Urban Rival Each Other for Most Plunging Top at the AMAs
Demi Lovato Goes Sultry in a Strapless Gown at the American Music Awards
The Most Major Dresses at the American Music Awards