Heidi Blair Pratt is an American television personality, singer, fashion designer, and author. Born and raised in Crested Butte, Colorado, she befriended Lauren Conrad in 2005. Born: September 15, 1986, Crested Butte, Colorado, United States,Height: 5' 2" (1.57 m),Spouse: Spencer Pratt (m. 2009),Parents: Bill Montag, Darlene Egelhoff,Siblings: Holly Montag