"Halo" is a song by American singer Beyoncé. It was written by Ryan Tedder, Evan Bogart and Knowles for her third studio album, "I Am... Sasha Fierce". In the United States, the song was released on January 20, 2009 as the album's fourth single. Even before its official release the song debuted on the "Billboard" Pop 100 at number 87. Glee covered it with random mashup