Heidi Blair Pratt (née Montag) is an American reality television personality, singer and actress born and raised in Crested Butte, Colorado. In 2006, Montag came to prominence after being cast in the MTV reality television series The Hills, which chronicled the personal and professional lives of Montag, and other people such as Audrina Patridge, Lauren Conrad and Whitney Port.

After a string of chart-topping singles such as Body Language, Montag released her debut studio album Superficial in 2010; it was critically praised and commercially very successful, featuring songs written by highly acclaimed writers such as Cathy Dennis or LP.