"I Walk the Line" is a song by Johnny Cash that was written and recorded in 1956. It was covered by Halsey in 2015 and released on the deluxe edition of her debut studio album, Badlands. It is the sixteenth and final track on the deluxe edition.
- This song is a cover, with the original artist being Johnny Cash.
- The third verse from the Johnny Cash version of the song has been left out in this cover. Also, the Johnny Cash version repeats the first verse at the end of the song, while the Halsey cover doesn't.
- This song is the only cover song on Badlands.