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Gwen Stefani of No Doubt performs âLooking Hotâ at the 40th Annual American Music Awards on Sunday, Nov. 18, 2012, in Los Angeles. (Photo by John Shearer/Invision/AP)

Gwen Stefani of No Doubt performs “Looking Hot” at the 40th Annual American Music Awards on Sunday, Nov. 18, 2012, in Los Angeles. (Photo by John Shearer/Invision/AP)