The sixth season which premiered on March 6, 2011 introduced Peggy Tanous as the newest housewife and friend of the housewives Fernanda Rocha. Keough returned in a friend of the housewives status, while Curtin, Fry and Knickerbocker appeared as guests. Heather Dubrow joined the cast in the seventh season which premiered on February 7, 2012. Keough and Tanous appeared as a guest, while Sarah Winchester was featured as a friend of the housewives. On April 1, 2013, the eighth season premiered and the cast was joined by Lydia McLaughlin. Peterson also appeared as a friend of the housewives in the eighth season. Bellino, McLaughlin, Rossi and Peterson departed after the season.