'Blue Christmas' is a popular Christmas song that was first recorded by American country musician Ernest Tubb in 1948. However, it was most famously covered by Elvis Presley in 1957. Presley's rendition of the song has become a classic and a staple of holiday music playlists. Other notable artists who have covered 'Blue Christmas' include Michael Bublé, Celine Dion, and Kelly Clarkson.