One great thing about being 3 years old: you're not afraid to dance like crazy, no matter who's watching. Here, mixing the grand traditions of karaoke commuting and irresistible kid covers, is Carrie Underwood's no. 1 preschooler fan belting out "Good Girl," courtesy of YouTube user My3yearoldniece. Make sure you pay attention at the 30-second mark when she really rocks out.
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