Heidi Montag on Jimmy Kimmel Live Heidi Montag (born September 15, 1986 in Crested Butte, Colorado[1]) is an American reality television personality best known for appearing on the MTV reality television series The Hills. Montag works as an event planner for Bolthouse Productions and is also an aspiring singer. In the summer of 2005, MTV began filming the lives of Laguna Beach cast member Lauren Conrad and her college friends for her spin-off reality show, The Hills.[2] Montag's reality TV career began with a few appearances on season two of MTV's Laguna Beach. Montag's friendship with Conrad led to a featured role in The Hills, which premiered on May 31, 2006.[3] Montag was featured in the series sharing an apartment with Conrad while studying at the Fashion Institute of Design & Merchandising in Los Angeles. Montag left the Fashion Institute in fall of 2005 when she was hired as an intern at Bolthouse Productions.[4] According to Montag, she dropped out because she "did not find...