Melissa McCarthy, Chris Hemsworth and 13 more breakouts we were happy to see
By Geoff Berkshire, Metromix
2011 was filled with great performances from stars we already know and love—George Clooney, Ryan Gosling, Michelle Williams, Brad Pitt, Tilda Swinton. But the year also welcomed some memorably impressive fresher faces into the mix. Before they go on to even bigger fame and acclaim, it's time to highlight 15 of the best breakthrough stars of 2011.
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