Kourtney Mary Kardashian (born on April 18, 1979) is an American entrepreneur, heiress, socialite, model, and reality television personality who gained fame as a cast member of Filthy Rich: Cattle Drive, Keeping Up with the Kardashians and Kourtney and Khloé Take Miami.
She is the oldest child of Kris Jenner and defense attorney Robert Kardashian, the sister of socialite Kim Kardashian, Rob Kardashian, and Khloe Kardashian.
She is of Armenian descent (father) and Dutch and Scottish(mother).
Kourtney attended the Roman Catholic all-girls school Marymount High School. Following graduation, she left California to move to Dallas where she attended Southern Methodist University for two years. She then moved to Tucson, Arizona, and attended the University of Arizona, graduating with a degree in Theatre Arts and a minor in Spanish. Her classmates included Nicole Richie and Luke Walton.
Kourtney became the stepsister of three stepbrothers, (from oldest to youngest) Burt Jenner, Brandon Jenner and Brody Jenner, and stepsister Casey Jenner, after her mother Kris married Bruce Jenner. She also has two half sisters, Kendall and Kylie Kristen Jenner.
Kourtney first became known to reality television audiences on the 2005 series, Filthy Rich: Cattle Drive, on which she earned money for charity. She then became a cast member on Keeping Up with the Kardashians, which depicts the lives of her extended family. She and her sister Khloé starred in their own spinoff reality show, Kourtney and Khloé Take Miami, the first season of which documented their opening of the Miami D-A-S-H location in 2009.
Kardashian also creates jewelry along with her sisters, Khloe and Kim. The trio released a jewelry line for Virgins, Angels, and Saints. The 20 piece collection debuted in March 2010. The jewelry reflects on the Kardashian’s Armenian heritage.
In the spring of 2010, she and her sisters released a clothing line for Bebe.
In August 2010, Kourtney announced that she and her sisters will release another clothing line. The clothing line is called K-Dash and it will be sold on QVC. K-Dash will be released on September 10, 2010.
Kourtney Kardashian and her sisters created a sunless tanner called Kardashian Glamour Tan. It was released in Summer of 2010 and is available at Sephora.