Kourtney Mary Kardashian (born April 18, 1979) is an American celebutante, socialite, model, businesswoman, and television personality. She is best known for her appearances on the reality shows Keeping Up with the Kardashians and Kourtney and Khloe Take Miami. Kourtney and her mother opened up children's clothing boutiques in both the Los Angeles area (818) and New York City, called "Smooch", which carries the brand "Crib Rock Couture". As seen on Keeping Up with the Kardashians, Kourtney co-owns and operates D-A-S-H, a clothing boutique in Los Angeles and Miami (opened early 2009), with sisters Kim and Khloé. She and Khloé starred in their own reality show, Kourtney and Khloé Take Miami which highlighted their single lives in a new city and their opening of D-A-S-H in Miami. Kourtney also starred in reality show, "Filthy Rich: Cattle Drive" (2005) to earn money for charity. Kourtney has a son, Mason Dash Disick, born December 14, 2009 who weighed in at 7lbs 6oz. His father is longtime on-again/off-again boyfriend Scott Disick.