Mylie may be Florida Georgia Line's cutest little fan, and she takes her love of the duo very, very seriously. Not only does she knock out this cover of 'Round Here,' Florida Georgia Line's hit song from 2013, she also covers the 'Cruise' collaboration with Nelly in a separate video.

Both videos are adorable, but it's hard to pass up an opportunity to feature a backseat performance as passionate as hers. We put Mylie at about five years old. She's feisty enough to make sure you watch her 33-second video from start to finish, and smart enough to know all the words. Don't miss the zebra-print seat covers -- it's clear that sass runs in the family.

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