The 44-year-old captioned the post with a blue and pink heart as a tease to the reveal.
In an Instagram video posted June 24, Kourtney sits on the Blink-182 drummer's lap in her backyard before blue confetti and steamers burst out of a cannon. The pregnant Kardashians star revealed her and husband Travis Barker's first child is a boy. Kourtney Kardashian is welcoming another baby boy to the family.
