Heidi Blair Pratt (née Montag; born September 15, 1986) is an American television personality, singer, fashion designer, and author. Born and raised in Crested Butte, Colorado, she befriended Lauren Conrad in 2005. 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 Conrad, M ... Show More
