And a third commented: "BREAKING: Kylie Jenner pretty much confirmed she is having a baby boy #KeepItKardashian".
This news of a pregnancy coach comes after the ex of Tyga sent fans wild as she hinted at the sex of her "baby".
Along with promoting pink and blue phone cases with her Kylie Lip Kit logos on them, she wrote on Snapchat, "Which one?"
Her Snapchat post came after she shared a couple of pictures of herself wearing a loose fitting blue shirt - sending her fans into a frenzy as she kept her bump well and truly hidden.
A source said: 'Kylie prefers to stay home.More news: Retail inflation at 3.28% in September
A source told Radar Online of the make-up mogul's plans: 'Kylie hired a pregnancy coach too, who will help her with nutrition and exercise, as well as take her through Lamaze training when she gets further along'.
As the 20-year-old's empire has rapidly grown in the last year, we're glad to see that she'll be surrounded by loyal staffers. She doesn't want to be photographed.
Big sister Kourtney's look seemed more on-brand for a Kar-Jenner, as she paired an off-the-shoulder black Milly top with dramatic oversize sleeves and a pair of tiny cutoff denim shorts. She may be young, but she's very maternal and has lots of practice with babies! She was also quick to admit that her family life was the "exact opposite" of that of the Kardashians and Jenners, saying, "We are insane, but we do normal people stuff".
Although Kardashian has kept any physical signs of pregnancy under wraps, she recently hinted that a baby bump reveal may be in the near future.