"Christmas Eve" is a song by American singer Kelly Clarkson. Written by Clarkson with Jason Halbert, who produced it, it is a Christmas-themed song about witnessing the festive joys of the Christmas season, primarily on Christmas Eve. Released as a companion track to Clarkson's children's book River Rose and the Magical Christmas, it was later issued as a single by Atlantic Records on November 30, 2017. The song is included on Clarkson's second Christmas album When Christmas Comes Around... (2021).

When Christmas Comes Around... is the ninth studio album by American singer Kelly Clarkson, released on October 15, 2021, through Atlantic Records. Produced by Jesse Shatkin, Jason Halbert, Joseph Trapanese and Aben Eubanks, it is her second Christmas album after Wrapped in Red (2013) and a follow-up to her eighth studio album Meaning of Life (2017). Featuring cover versions of Christmas songs, as well as original co-penned tracks and duets with Chris Stapleton, Ariana Grande and Brett Eldredge, its release was preceded by the singles "Christmas Isn't Canceled " and "Santa, Can't You Hear Me". It also includes previously released singles "Christmas Eve", "All I Want for Christmas Is You", and "Under the Mistletoe" as bonus tracks. The album was nominated for Best Traditional Pop Vocal Album at the 65th Annual Grammy Awards.