'I wasn't really shocked because I felt like it could happen someday soon,' said Kendall, 25. 'But I was excited. I was very excited and it's just a blessing.'
Kendall said she learned the news when her 24-year-old sister called her and showed her a picture of her sonogram.
Talk show: Kendall Jenner revealed how she learned about her younger sister Kylie Jenner's pregnancy on Tuesday while visiting The Tonight Show Starring Jimmy FallonInsurance Loans Mortgage Attorney Credit Lawyer
Jimmy, 46, asked her if she was a good baby-sitter and Kendall said she wanted to be the cool one and liked by all of them.
'It's really fun,' she said.
Jimmy asked if her boyfriend Devin Booker, 24, of the Phoenix Suns helped out at all.
'He loves them. Him and Stormi have an amazing relationship. She has the biggest crush on him and I'm jealous sometimes,' Kendall said referencing Kylie's three-year-old daughter with rapper Travis Scott, 30.
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Not shocked: 'I wasn't really shocked because I felt like it could happen someday soon,' said Kendall, 25. 'But I was excited. I was very excited and it's just a blessing'
Jimmy said he saw Kendall on Monday night at the Met Gala and then asked her how long it took her to get ready. Kendall said it took her two hours. She said was really calm and decided to not stress herself out with 'unnecessary nerves.'
Kendall said that Jimmy was the first person she saw inside the event and Jimmy joked that he felt almost like a greeter.
Kendall said that was exactly what her mother Kris Jenner, 65, does every year at the event. She said she insisted on standing at the top of the carpet even when security tried to move her inside. Kendall said Kris will tell security that she will 'absolutely not' move because she had to stand there to watch all her daughters walk in.Insurance Loans Mortgage Attorney Credit Lawyer
Gala attendees: Jimmy Fallon said he saw Kendall on Monday night at the Met Gala and then asked her how long it took her to get ready
'She is just so cute,' said Kendall. 'She takes videos of us. The smile on her face is just everything.'
Jimmy asked Kendall about stepping into a different role for the brand Forward, an online luxury retailer. She said she had her first day on the job and goes around to different designers to pick items for the website.
'It's actually really, really fun,' said Kendall. 'I get to shop a little.'
New role: Jimmy asked Kendall about stepping into a different role for the brand Forward, an online luxury retailer
Jimmy then pulled out a magazine article that he jokingly said was very controversial. It was a photo of Kendall featured In Style magazine of her wearing Crocs shoes. Jimmy