The song was one of multiple holiday classics Eilish performed during her sold-out stint at the Kia Forum. Get ready to fall on your knees: Billie Eilish has performed a stunning cover of “O Holy Night” just in time for the holidays.

Billie Eilish is well-prepared for the holiday season. The singer closed out her five-night run at the Kia Forum in Los Angeles on Saturday (Dec. 21) with a cover of the Christmas standard "O Holy Night.

This should be about the time we all start taking Billie Eilish for granted, by the usual standards of fickleness and habituation. So let’s all give ourselves a pat on the back for not becoming so accustomed to her face that we lose sight of what a special gift she is to the pop landscape.

At her final show of the year, the musician treated the crowd to a classic Christmas tune in her signature style