If you thought Frozen fever was thawing out anytime soon, it's quite the opposite. The drop in temperature around the country has only heated up the year-old movie -- as evidenced by the latest cover of the Disney megahit "Let It Go."
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Frozen belter Idina Menzel crashed CMA Country Christmas -- which was recorded on Nov. 7 and aired Monday night (Dec. 1) on ABC -- and sang "Let It Go" with the night's host, Sugarland's Jennifer Nettles.