Heidi is a Danish pop singer who made her album debut in 2008 after rising to fame that year in Denmark as the third-place runner-up on the first season of the television show X Factor. Upon leaving the show, she signed a recording contract with Universal and released her debut album, Audio Ballerina (2008). Peaking at number three on the Danish albums chart, Audio Ballerina spawned the number two smash hit "Switch." ~ Jason Birchmeier, Rovi