Following the dream to be a model, Kari Ann stepped into the modeling from 2002, by participating and winning the title of the "Miss Oregon Teen USA." Through the show, she was considered as the unconventional pageant winner for her fashion and career choices. She also participated in the "Miss Teen USA" in 2002; however, she didn't win the title.
Moreover, Peniche was removed from "Miss United States Teen" title as she appeared nude in Playboy magazine. She also hosted Xtreem program which includes extreme sports and the Boom Boom Huck Jam event. Additionally, Kari also appeared in other movies and TV shows and also launched a line of bikinis named as Strung Out at Portland Fashion Week.
Moving towards her personal life, Kari Ann Peniche had an affair with Eric Dane in 2007. She also dated Nick Carter, Aaron Carter, Nehemiah Clark and also rumored for dating Rebecca Gayheart in 2007.
Later, Kari Ann married Justin Williams in 2011. The couple gave birth to two children; however, her six years son, Preston dragged into separation after testing positive for the illegal substance, but the court dismissed it as erroneous. The couple's relation was near to the end; however, they managed to reconciled and gave birth to another child. And they are still together.
Being an actress, model, and 2002 Miss Oregon Teen USA, Kari Ann earns satisfying amount. She has appeared in different movies and TV show as well as host several shows. Her current estimated net worth is around $100,000 by which she finances her living.