Kendall Jenner was not surprised by the news of sister Kylie Jenner’s pregnancy

Sisterly insight! Kendall Jenner was overjoyed to learn that her younger sister, Kylie Jenner, was having her second child, but she wasn’t shocked.

She called me, and I answered the phone, and she just had her little sonogram — a picture of her sonogram,” the supermodel, 25, revealed on The Tonight Show Starring Jimmy Fallon on Tuesday, September 14. “I wasn’t surprised because I expected it to happen soon, but I was excited.” It was a tҺrilling experience. It’s just a gift.”
Us Weekly announced last month that the Kylie Cosmetics creator, 24, is expecting her second child with her on-again, off-again boyfriend Travis Scott. Stormi, the couple’s three-year-old daughter, is also theirs. The alum of The Life of Kylie later confirmed the news on Instagram earlier this month. In the minute-and-a-half video, she showed viewers the moment she informed her mother, Kris Jenner. 
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“This is one of the happiest days of my life!” the 65-year-old momager said as Kylie gave her an envelope containing sonogram photographs. Kendall, for one, told Jimmy Fallon that she enjoys being “the cool aunt” to her many nieces and nephews. “There are now 18 of them, almost 20,” she stated. “There are two on their way.” My brother Burt [Jenner] is expecting one, and my sister has already revealed hers.”

he late-night host, 46, also asked if Kendall’s boyfriend, Devin Booker, enjoys babysitting. “He loves them,” the former Keeping Up With the Kardashians star confirmed. “He and Stormi have an amazing relationship. She has the biggest crush on him, and I’m, like, jealous sometimes.”

Kylie and Kendall Jenner fans hit out at pair for snub of brother's huge  event and news - Mirror Online

During an episode of KUWTK that aired earlier this year, Kendall said she had a little bit of baby fever as many of her family members and friends became parents. In response, her sisters decided to test her childcare mettle by having her watch three of their toddlers. Khloé Kardashian put her in charge of daughter True, now 3, while Kim Kardashian left her with Chicago, also 3, and Psalm, 2. (The Skims founder, 40, also shares North, 8, and Saint, 5, with estranged husband Kanye West.)