The Hills may have new b*tchy addition Kristin Cavallari, but The City has its own dose of drama. The new chick with attitude in town is Roxy, and she's not exactly what you call a friend to Whitney. The other sassy pants, Olivia, has a new gig at Elle, and her co-worker Erin K is less than thrilled about it. Whitney continues to do her thing at People's Revolution, but with Roxy as her new competition, friction abounds. Take my quiz to find out how well you were paying attention to last night's fashion details.

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