From Wikipedia (English):

Katherine Nicole "Nikki" McKibbin (born September 28, 1978) is an American rock music singer-songwriter who finished third in the debut season of the reality television series American Idol. Prior to American Idol, McKibbin appeared in the first season of Popstars. In May 2007 she released her debut album, Unleashed.

Personal life

McKibbin was born in Grand Prairie, Texas. She is married and has a son, Tristen Cole Langley, (b. December 20, 1997), from a previous relationship. Her husband, Craig, appeared with her on Celebrity Rehab with Dr. Drew.

McKibbin marked a year of sobriety on June 10, 2009.