The oldest of several daughters of Kris Jenner and the late attorney Robert Kardashian (a mainstay in the O.J. Simpson trial), Kourtney Kardashian gained instant celebrity alongside her mother, siblings, and then-stepfather, Bruce Jenner, on the popular E! network reality program Keeping Up With the Kardashians. The series, which debuted in 2007, honed in on the entire family, but placed...