The 24-year-old singer performed a stunning rendition of "Silent Night" to celebrate the 15th anniversary of the Honda Civic Tour Holiday Special. In the video posted on Monday, Lovato is accompanied by a piano player as she belts out the classic holiday tune. The cozy studio setting includes soft gold Christmas lights while Lovato shows off her impressive vocals. RELATED: Demi Lovato Joins ?New Year?s Rockin' Eve' for Remote Performance From St. Lovato earned her first GRAMMY nomination earlier the month, and she couldn?t contain her excitement on social media.