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 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 Khloé Kardashian.
In the spring of 2010, she and her sisters released a clothing line for Bebe. In August 2010, Kardashian 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.