ASHLEY VS. NICKY
The High School Musical 3 star paired her H&M mini with a black blazer for a visit to TRL, while the heiress kept her floral frock simple for the BlackBerry Bold launch in L.A.


CARMEN VS. BECKI
The sexy actress showed off her curves in her Diane von Furstenberg dress while promoting Disaster Movie, while the Ugly Betty star hit a party for the designer in N.Y.C. in her green sheath.


SHENAE VS. KOURTNEY
The 90210 actress turned up at the 2008 Teen Choice Awards in her Bebe romper, while the reality star glammed it up in Las Vegas in her lace one-piece.


ANA VS. PERREY
The Ugly Betty actress perched front row at Nanette Lepore's February runway show in the designer's dress, while the Entourage actress turned up at a fashion event in September in the embroidered frock.


ROSE VS. AMY
The Damages actress paired her Burberry Prorsum dress with a bold necklace for a charity event in N.Y.C., while a few days later, the Seventh Moon star kept it simple for the brand's store opening in Beverly Hills in her beige dress.


JESSICA VS. PARIS
The singer shows her true spots in her Diane von Furstenberg wrap dress while shopping in N.Y.C, while the reality star hits town in London in her pink leopard-print dress.


CHRISTINA VS. KRISTEN
The singer dared in her Jenny Packham minidress at a party in L.A., while a few weeks later the Heroes star paired her glittery frock with a hot pink purse at the Spike TV Awards.


LEIGHTON VS. MILLA
The Gossip Girl star celebrated her Gotham cover in her velvet Nina Ricci dress, while the actress turned up at the Nina Ricci show in Paris in her glittering gray dress the very next day.


RACHEL VS. KIM
The petite star was classic in her Chanel LBD at the line's store opening in L.A., while the Lipstick Jungle actress was sophisticated in her tiered black dress at a party for the brand in N.Y.C.


AUBREY VS. KOURTNEY
The singer paired her Foley + Corinna dress with a glittering headband for a fashion party in N.Y.C., while the reality star celebrated her sister Kim's birthday in her ombré fringe dress in Las Vegas.