Top 5 Transformations of 2010

Young Hollywood hotties like Kristen Stewart, Blake Lively, Emma Watson, Carey Mulligan, and Lea Michele didn't always look so polished, but 2010 has seen these ladies improve in leaps and bounds on the red carpet. From new hairstyles and makeup, to fashion that's beautifully focused, check out their fab style transformations on this episode of "The Thread."

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