who sings the song you light up my life
You Light Up My Life (song) "You Light Up My Life" is a ballad written by Joseph "Joe" Brooks, and originally recorded by Kasey Cisyk for the soundtrack album to the 1977 film of the same name.[1] The song was lip synched in the film by its lead actress, Didi Conn. The best-known version of the song is a cover by Debby Boone, the daughter of singer Pat Boone, which held the #1 position on the Billboard Hot 100 chart for ten consecutive weeks in 1977, setting a new record for that time.