There are multiple artists called Heidi: 1) Heidi is a danish sing and songwriter, know form the Danish edition of X-Factor. 2) Heidi is Canadian born, Berlin based DJ and producer. 3) Heidi is a Japanese rock band. 4) Heidi Janku is a Czech pop singer. 5) Heidi is a UK based R'n'B singer. 6) Heidi is a Finnish pop singer. 7) Heidi was a Boston-LA rock band. Read more about Heidi on Last.fm.