With what seems like daily announcements of upcoming designer collaborations, it's easy to let one slip by you. After all, we've got closets stocked with Isabel Marant for H&M, Derek Lam for Kohl's, Peter Pilotto for Target — and that's saying nothing of the forthcoming Alexander Wang for H&M, Roland Mouret for Banana Republic, and Altuzarra for Target lines we're currently waiting on. Think you've seen it all? Put your knowledge to the test!
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