In the United States, the song reached number one on the Billboard Hot 100, where it stayed a total of eleven weeks.
"Un-Break My Heart" is the second single performed by American singer Toni Braxton, from her second studio album, Secrets (1996).
The ballad was written by Diane Warren.
Lyrically, the song alludes to a "blistering heartbreak" in which Braxton begs a former lover to return and undo the pain he has caused.
It won a Grammy Award for Best Female Pop Vocal Performance at the 39th Annual Grammy Awards in 1997.