Kourtney Kardashian Age: How Old Is Kourtney Kardashian?

Kourtney Mary Kardashian is an American media personality, socialite, and model.

Kourtney first became known to reality-television audiences during the 2005 series, Filthy Rich: Cattle Drive, in which she earned money for charity.

However, Kourtney rose to fame in 2007, after her family began starring in the reality television series Keeping Up with the Kardashians.

The success of the series led to the creation of spin-offs including Kourtney and Khloé Take Miami and Kourtney and Kim Take New York.

Kourtney was born in Los Angeles, California, on April 18, 1979, to Robert Kardashian and Kris (née Houghton).

Kourtney has two younger sisters, Kim and Khloé, and a younger brother, Rob.

With sisters Kim and Khloé, Kourtney is involved in the retail and fashion industries.

Together, the Kardashians have launched several clothing collections and fragrances, and additionally released the book Kardashian Konfidential in 2010.

Kourtney and her siblings are very popular on social media and endorse 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 $300,000 per post on Instagram, Facebook, and Twitter.