We struggle to imagine what jerk could scorn this adorable 4-year-old, but after listening to her cover of Keith Urban's 'Stupid Boy,' it's clear the emotions are still raw. Leilani knows all the words, and even tries her hand at Urban's guitar picking.

The left-handed singer is a committed performer, and this video has become a YouTube hit. With over 145,000 views already, the little girl -- now going on 10 --- became a star before she could tie her own shoes. Her YouTube channel is packed with country covers, including a special version of 'The House That Built Me' by Miranda Lambert.

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