During Conrad’s senior year of high school, she appeared in the MTV reality series Laguna Beach: The Real Orange County in which she agreed to have her life taped. During that time, Conrad and Montag’s friendship deteriorated, as Heidi was increasingly spending her time with her new boyfriend, Spencer Pratt. Filming for Season 5 began in January 2009, and the premiere episode aired April 6, 2009. The series ended on July 13, 2010, after airing six seasons and 102 episodes. It was reported in March 2007 that since the second season of The Hills began airing in mid-January, newsstand sales for the magazine increased by double digits over 2006 sales.
