Spencer William Pratt (born August 14, 1983) is an American television personality known for role on MTV's The Hills along with his wife Heidi Montag. He is the older brother of Stephanie Pratt, who also appears on The Hills.
In July 2010, Montag had filed for divorce from Pratt, citing irreconcilable differences. However, in October 2010, the divorce was called off.
Pratt first appeared on television in 2005 in the short-lived reality series The Princes of Malibu. Pratt was also Creator & Executive Producer of the series, he acted in the role of "manager/publicist/agent/stylist" to series star Brody Jenner. Pratt's friendship with Jenner led to his role on the MTV reality series The Hills, in 2006. Pratt's relationship with fellow cast member Heidi Montag was detailed on the series, along with the tension it caused between Montag and series star Lauren Conrad.