Kendall Jenneris excited to be an aunt of 20!
While appearing onThe Tonight ShowTuesday, the 25-year-old model opened up about the moment she learned her younger sisterKylie Jennerwas pregnant with her second child withTravis Scottand confirmed her older brother Burt Jenner is expecting a third child with longtime girlfriend Valerie Pitalo.
“[Kylie] called me, and I answered the phone and she just had her little sonogram — a picture of the sonogram,” Kendall told hostJimmy Fallonof how her sister shared the news. “I wasn’t really shocked because I felt like it could happen someday soon, but I was excited. It’s just a blessing.”
As her siblings expand their families, Jenner looks forward to becoming an aunt twice more.
Alex Hooks/NBC/NBCU Photo Bank via Getty Images

“There is 18 of them now, going on 20,” she added of her nieces and nephews. “There’s two on the way. My brother Burt has one on the way and then my sister obviouslyjust announced hers.”
Last month,TMZ reportedthat Burt, 43, is expecting a third child afterCaitlyn Jennertold the outlet she has a 19th grandchild “in the oven.”
That same month,multiple sources confirmed to PEOPLEthat Kylie and Scott, 30, were expecting their second child together.
“Kylie is a few months along. She has a cute bump. She is beyond excited,” a source told PEOPLE of the happy news, adding that the beauty mogul had been spending time with loved ones away from the public eye during her early pregnancy.
“She has been wanting to give Stormi a sibling for a while. She loves being a mom.She is thrilled that she and Travis are pregnant again,” the source said. “She has been enjoying her pregnancy in private. She has only spent time with close friends and family.”
The Kylie Cosmetics mogul latershared a sweet videoannouncing her pregnancy, featuring the touching moments she told Scott and her motherKris Jennershe was expecting.
Kendall and Kylie Jenner.Dimitrios Kambouris/Getty Images

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What’s more, theKeeping Up with the Kardashiansalum said Kylie’s 3-year-old daughter Stormi especially loves to see her lately, because she brings herboyfriend Devin Bookeraround.
“Him and Stormi have an amazing relationship,” Kendall told Fallon, 46, of her NBA player beau’s adorable bond with her niece. “She has the biggest crush on him, and I’m jealous sometimes. I’m like, ‘Stop – can you guys not?’
source: people.com