Kourtney Kardashian wishes son on birthday

Kourtney Kardashian has wished her son, Mason, on his birthday by posting a photograph of him online.

Kourtney Kardashian`s `ex` threatens to sue over paternity test for son

A model has claimed that he had an affair with Kourtney Kardashian while she was on a break from her partner Scott Disick and wants to get paternity tests done on her son Mason.