Kourtney, along with her family members, including her mother Kris, stepfather Caitlyn (formerly known as Bruce), and siblings Kim, Khloé, and Rob, starred in the successful reality TV series "Keeping Up with the Kardashians."
The popularity of "Keeping Up with the Kardashians" led to spin-off shows such as "Kourtney and Khloé Take Miami," "Khloé & Lamar," and "Kourtney and Kim Take New York."
Kourtney, along with her mother, opened children's clothing boutiques called Smooch in Los Angeles and New York City, featuring the brand Crib Rock Couture.
Kourtney, Kim, and Khloé co-own and operate the clothing boutique D-A-S-H, with locations in Los Angeles, Miami, New York City, and a pop-up store in the Hamptons.
In collaboration with her sisters, Kourtney released a clothing line for Bebe in the spring of 2010 and another line called K-Dash, sold on QVC.