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Ann Romney, wife of Republican presidential candidate, former Massachusetts Gov. Mitt Romney, and Kid Rock wave during the close of Mitt Romney's speech to supporters at the Royal Oak Music Theatre in Royal Oak, Mich., Monday, Feb. 27, 2012. (AP Photo/Carlos Osorio)

Kid Rock performs for Romney

The rocker-rapper, who lives in Clarkston, Mich., appeared at Mitt Romney's final campaign rally Feb. 27 before the Feb. 28 Michigan primary.