Kourtney Kardashian took to Instagram to slam a rumor that her 15-year-old son Mason has a child -- see what she said.

Kim loves being famous, for instance, while Kendall finds the spotlight challenging, and Kourtney couldn’t care less what people are saying about her… at least until her children get involved. The oldest of the reality TV siblings took to social media to assure her followers that an outrageous rumor circulating about her son Mason is “FAKE.

Kourtney Kardashian addresses the rumor her 15-year-old son, Mason Disick, had a secret baby. On her Instagram story, the reality star writes, 'I rarely address rumors or conspiracies regarding myself or my family,