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The Week In Pictures 2014-12-19

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(December 13, 2014 - Source: Kevin Winter/Getty Images North America) more pics like this »
Saturday: Gwen Stefani
Who got the lighter? Gwen Stefani's got the lighter — as long as we're referring to a metaphorical lighter, the kind that lights up the party on stage. The singer rocked out at the 25th Annual KROQ Almost Acoustic Christmas, performing her newest single "Spark the Fire" for her California fans.