1 of 30
REESE VS. JESSICA
Witherspoon paired her Simply Vera Vera Wang coat with a Versace dress at a charity event in 2007, while Biel finished off her all-black look with her $129 coat this week.
2 of 30
GINNIFER VS. KIM
The Big Love star paired her Camilla and Marc frock with black tights at the series’ premiere in January, while the reality star went for neutral peeptoes at Tori Spelling’s book party this week.
3 of 30
DIANE VS. SOPHIA
Kruger attended an art exhibition in N.Y.C. in her Alexander Wang minidress in February, while Bush added sex appeal to an A/X event in her colorblock mini this week.
4 of 30
RUMER VS. JENNIFER
Willis visited the Late Show with David Letterman in her Camilla and Marc dress in August, while Love Hewitt hit the 14th annual Gen Art Film Festival in New York this month in her navy strapless dress.
5 of 30
JANUARY VS. MARISA
The Mad Men star dazzled at the Emmy Awards in her Dolce & Gabbana gown, while the Victoria’s Secret model flaunted her curves in her corset gown at the Academy of Country Music Awards in Las Vegas.
6 of 30
NICOLE VS. JENNIFER
The Australia star promoted the film last November in her L’Wren Scott dress, while the singer-actress celebrated Topshop’s N.Y.C. opening in her white strapless one.
7 of 30
RACHEL VS. DREW
Weisz attended a film awards gala in December in her Narciso Rodriguez frock, while Barrymore hit the streets of N.Y.C. this week in her graphic striped dress.
8 of 30
KATY VS. NICKY
The singer paired her Matthew Williamson for H&M dress with metallic Guiseppe Zanotti heels at a party two days before the heiress matched her peacock-feather-print mini to her blue heels at a party in Las Vegas.
9 of 30
BRITTANY VS. MILEY
The star of the new Gossip Girl spin-off kept it casual for a night out in her Hurley leather jacket, while the teen queen went shopping in N.Y.C in her cropped topper a few weeks later.
10 of 30
CARRIE ANN VS. AUDRINA
The Dancing with the Stars judge dazzled at the American Music Awards in her Alberto Makali dress, while the Hills star lit up the Australia MTV Video Awards in her gold sequined minidress.
11 of 30
EVA VS. JENNIFER
The small-screen star was vibrant in her yellow Diane von Furstenberg dress at a screening party in L.A., while the new mom wore her favorite dress style in red to Good Morning America.
12 of 30
JOY VS. ALEXIS
Bryant hit the VH1 Hip Hop Honors last year in her belted Matthew Williamson dress, while Bledel pared down the accessories for her wildly printed mini while celebrating the designer’s diffusion line in N.Y.C. last week.
13 of 30
KIM VS. KENDRA
Reality star smackdown! The Keeping up with the Kardashians hottie picked her magenta Foley + Corinna dress for a night on the town in L.A., while the former Girl Next Door stunned in the turquoise version at a movie premiere.
14 of 30
KATHERINE VS. LUANN
The actress hit a boutique opening in October in her Blue Halo dress, while the Real Housewives of New York City star attended the CEW Awards luncheon in her belted cobalt dress this week.
15 of 30
LEVEN VS. DITA
The Terminator: The Sarah Conner Chronicles actress topped her Moschino Cheap & Chic dress with a vest for an event last October, while the burlesque queen kept it simple for the Coachella Music and Arts Festival.
16 of 30
KATE VS. LUCY VS. BECKI
It’s a three-way battle! Bosworth wore her 3.1 Phillip Lim dress first to a charity event last year, while Liu hit a fashion week event in hers. Newton feted costar America Ferrera this month in her zipper-trim mini.
17 of 30
ISLA VS. IVANKA
The actress promoted Confessions of a Shopaholic in her J. Mendel dress, while the heiress hit a N.Y.C. party in her draped white frock.
18 of 30
JESSICA VS. NATASHA
Simpson picked the gold version of Nicole Miller’s sequined tunic to promote her design lines, while Bedingfield went for silver at the ASCAP Awards in L.A. last week.
19 of 30
KRISTIN VS. DIANE
Scott Thomas attended the BAFTAs in her Yves Saint Laurent gown, while Kruger lit up the Metropolitan Opera’s anniversary gala in her beaded bustier gown.
20 of 30
KATIE VS. MELISSA
The new Melrose Place resident lit up a magazine party in Los Angeles in her Ina Soltani dress, while the Dancing with the Stars contestant showed off her fit shape in her hot pink sheath at a bash last week.
21 of 30
ANNE VS. KATE
Hathaway wore her favorite Burberry trench coat while on the streets of N.Y.C. in December, while Bosworth bundled up last week while also strolling in the Big Apple in her degradé coat.
22 of 30
MOLLY VS. MANDY
Sims bloomed in her Diane von Furstenberg maxidress at an InStyle Golden Globes party, while Moore caught spring fever in her floral frock at a Las Vegas bash in April.
23 of 30
HEIDI VS. EMMA
The supermodel worked her Atelier Versace dress during an L.A. photo shoot, while the young actress vamped at the Met Gala in her molded minidress.
24 of 30
KATE VS. PERREY
The Private Practice star showed off her legs at a Dior Beauty celebration in Hollywood in her Dior minidress, while the Entourage actress accessorized her green satin frock with strappy sandals.
25 of 30
BEYONCé VS. RIHANNA
Beyoncé rolled up her J Brand “Zombie” jeans for a stroll in Vienna, while Rihanna shopped her way through downtown Manhattan in her gray tie-dyed jeans.
26 of 30
ASHLEE VS. BETHENNY
Simpson hit a N.Y.C. bash last April in her 3.1 Phillip Lim dress, while the Real Housewives of New York City star celebrated a Modern Bride event this past week in her black ruffle-trimmed minidress.
27 of 30
AUDRINA VS. LACEY
The reality star dazzled at ShoWest in her Rafael Cennamo dress, while the Dancing with the Stars pro hit up a Hollywood party in her bronze strapless dress.
28 of 30
ZOE VS. DOUTZEN
The Star Trek actress lit up the film’s London premiere in her Azzedine Alaia dress, while the Victoria’s Secret model heated up Cannes in her full-skirted frock.
29 of 30
KIM VS. BRITTANY
Kardashian hit the streets of L.A. in her light pink Lela Rose dress, while Snow picked the deeper-hued version of the one-shoulder dress for a charity event in L.A.
30 of 30
CELINE VS. LINDSAY
The dramatic singer took to the stage in her crystal-flecked Balmain dress, while the drama-plagued actress hit an A/X party in L.A. in her minidress.