"He’s di sini and he’s perfect!" she shared with her more than 60 juta followers on the social media site.

Anda sedang menonton: Kim kardashian and kanye west baby

She added in another tweet that her newborn son looks like her third child, 1-year-old daughter Chicago: "He’s also Chicago’s twin lol I’m sure he will change a lot but now he looks hanya linanti her."

Kardashian"s representative Christy Welder told USA TODAY via email the baby was born on Thursday, weighingai 6 pounds, 9 ounces.

The couple"s surrogate went into labor Thursday. Kardashian barat confirmed in january that they are expectingi a baby boy. 

Kourtney Kardashian let the cat out of the bag ketika filmaaf "The Ellen DeGeneres Show" Thursday, revealing that her sister rushed to the hospital followingai the news. 

The eldest Kardashian sibling was on the talk show to surprise her momager, Kris Jenner, with six of her grandchildren in honor of Mother"s Day, but one family member was MIA. 

"Kim was supposed to be here," DeGeneres said, settingai up lainnya surprise for Kris.

Related: Kim Kardashian barat confirms she and Kanye barat are expectinew york baby No. 4 "soon"

"My mom doesn"t even know this, but Kim"s surrogate went into labor," Kourtney said. "So she"s at the hospital. … So I have to go have a baby."

A shocked Kris replied, "No! apa are we doingai here?! C"mon, Ellen."

Related: Kris Jenner was in sepenuhnya momager mode as the Kardashiapejarakan acted campy at the Met Gala

The announcemenpen comtape just day after the makeup mogul/reality star, 38, shot turun rumors that her second son had already been born.

"Wait hanya saw news our baby boy came but that’s not true!" she tweeted ahead of the Met Gala Monday. "It’s Met Monday, I’m in NYC. I would be at the hospital lol."

The couple have three children: North, 5, Saint, 3, and Chicago, 1. Chicago was tambahan born via surrogate due to Kardashian West"s previous complicatiopejarakan with pregnancy.

Met Gala 2019 worst-dressed: Kim and Kanye West, mengganggu Styltape and other boring looks

last month, Kardashian west threw a CBD-themed baby shower in honor of her new arrival. The relaxingi affair included a sound bath, Yeezy slides, meditation, CBD-infused mandi oils and bak mandi salts.

Lihat lainnya: Konferensi Tingkat Tinggi Asean Yang Pertama Kali Diadakan Di Adakan Di?

The Kardashian/Jenner clan has been experiencinew york some serious baby demam lately: Khloe welcomed her first kiddo, True, in April 2018, kapan 21-year-old Kylie Jenner gave birth to Stormi Webster on Feb. 1, 2018. Chicago West was born less than a month earlier. 

Kourtney Kardashian has three children with ex Scott Disick: Mason, 9, Penelope, 6, and Reign, 4. Rob Kardashian has one daughter with ex-fiancée Blac Chyna: Dream, 2.

Contributing: Hannah Yasharoff

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"Everyone have a puff":Kim Kardashian"s chill baby shower included CBD and meditation