As Existence & Type revealed earlier this week, Kourtney Kardashian is pregnant with her fourth little one — even though the infant daddy's identity nonetheless remains a mystery! Even though most fans presume the father is Scott Disick. the 37-12 months-old mom recently invested time with boytoy Justin Bieber. who a supply reveals is keen to turn into a mother or father. “Justin would adore to have a youngster with her," an insider says of the 22-12 months-previous pop star. "They even employed to joke about co-parenting a mini Bieber.” Kourtney and Justin in October 2015. (Photo Credit: ) But not all people was satisfied over the former flings' reunion. “Scott was pissed and stored questioning why she ran to see him," the insider explains. "Kourtney had been telling everyone Justin was 'just a hookup' and 'too younger to take seriously.'" For now, a whole lot of facts remain up in the air. “A paternity check is the only reply at this point, but it is the last thing in the planet [Kourtney] wants to do,” the source concludes. For a lot more on Kourtney's pregnancy, select up the most recent situation of Life & Type. on newsstands now!