In 2007, she and her family were picked to star in the reality television series Keeping Up with the Kardashians. Its success led to the creation of spin-offs including Kourtney and Khloé Take Miami and Kourtney and Kim Take New York.
With sisters Kim and Khloé, Kourtney is involved in the retail and fashion industries. They have launched several clothing collections and fragrances, and additionally released the book Kardashian Konfidential in 2010.
Kourtney and her siblings are popular on social media from which they derive most of their revenue by endorsing products such as waist slimming pants, beauty products, Coca-Cola and prescription drugs, for which they are paid (as of 2016) between $75,000 and 30,000 per post on Instagram, Facebook and Twitter, as per CBC Marketplace.
Kourtney Mary Kardashian was born in Los Angeles, California on April 18, 1979, to parents Robert and Kris. She has two younger sisters, Kim and Khloé, and a younger brother, Rob. After their parents divorced in 1991, Kris remarried to the 1976 Summer Olympics decathlon winner Bruce Jenner (now known as Caitlyn) in 1991. Through their marriage, Kardashian gained stepbrothers Burton "Burt", Brandon, and Brody; stepsister Casey; and half-sisters Kendall and Kylie.
She attended Marymount High School, a Roman Catholic all-girls school in Los Angeles. Following graduation, she moved to Dallas,Texas, to attend Southern Methodist University for two years. Kourtney then lived in Tucson, Arizona, where she graduated from the University of Arizona with a bachelor's degree in Theatre Arts and a minor in Spanish. Her classmates included Nicole Richie andLuke Walton. In 1994, her father garnered public attention as an additional defense lawyer for football player O.J. Simpson during his murder trial.
Mason Dash Disick is Kourtney and her then husband Scott Disick's first son. He was born on December 14, 2009. Mason's birth, by Beverly Hills doctor Paul Crane, was filmed and aired during the 4th season of Keeping Up with the Kardashians.
Penelope Scotland Disick is Kourtney and Scott's first daughter. She was born on July 8, 2012.
In June 2014, it was announced that the couple were expecting their third child together. Reign Aston Disick was born on December 14, 2014, on Mason's fifth birthday.