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.

On March 2, Kourtney addressed rumors that Mason had a child named Piper. The theory, mostly spread by viral TikTok videos, was that Mason has a secret Instagram account where he shares updates about his fatherhood.