At one point, the country music singer burst out laughing as she serenaded people over the sound system at a Nashville, Tennessee, boot store.
One man even started dancing just for her, while another fact-checked her claims on his phone.
Underwood filmed the funny bit ahead of Wednesday’s 53rd annual CMA Awards, which she is co-hosting with singers Dolly Parton and Reba McEntire.
Check out the full clip above.
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