From Katy to Scarlett to Ashley, The 10 Best Dressed Celebs of the Week!

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We’re going to make this super easy for ya. Thanks to events like the 2012 TeenNick HALO Awards and the American Music Awards, celebrities like Katy PerryScarlett Johansson and Ashley Tisdale stunned on the red carpet this week. Now, you know the deal, check out the gallery below for our personal top 10 ensembles, then choose the #1 look in the poll below!