The source also claimed that reality star would have wanted for Kylie to wait until she reached her thirties before she decides to have a child of her own, but the young make-up mogul reportedly wants to be a parent at a young age.
"Her first reaction was, 'Seriously?'" the source told the publication.
"Between spending lots of time with her nieces and nephews, and being around Tyga's son [four-year-old King Cairo], she claimed she was ready".More news: Federation Internationale de Football Association set to call ceasefire with poppy pushers
"It came out of nowhere. So no one saw this coming". We've also learned Travis has been privately telling friends about the pregnancy for almost 2 months, and Kylie is around 5 months pregnant.
"But it's just a weird dynamic, after all that Kim did to intentionally have another child". They've been privately sharing the big news for about two months now.
"Caitlyn was really shocked and disappointed to learn that Kylie is pregnant", a source close to the I Am Cait star shared with Hollywood Life.More news: Ali Zafar breaks silence on internet trolling of Mahira Khan
Kylie is keeping mum on the news.
A report from Page Six had previously alleged that Kylie was four months pregnant.
"Kris is excited right now and has already started processing how she is going to make money off Kylie's pregnancy and the birth of her first child", a Kardashian family insider told Radar Online on September 25.
As the close personal friend of the family Ryan seemed to be hinting he would get a confirmation but he was eventually shut down by Kris who reportedly texted: "Kylie will not be confirming anything". So while we're hoping your Halloween attire doesn't turn out to be fake news, don't worry about it too much.More news: United States to give $32 million in aid to Rohingya