November 13, 2014 10:46 AM EST

Jennifer Lawrence admitted singing in public is one of her biggest fears on the Late Show with David Letterman Wednesday.

It all began, the Mockingjay Part I star said, when she had to sing Holly Jolly Christmas in a school production at the age of 8, and her parents laughed at her for days afterward.

Lawrence jokingly says she now sings in a tone-deaf Amy Winehouse voice. Watch the video above to hear it for yourself.

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