The 63-year-old reality star is the matriarch of the Kardashian Jenner clan and is mother to Kourtney, Kim, Khloe, and Rob Kardashian, as well as Kendall and Kylie Jenner, and has said the key to raising wonderful children is to make sure you're "a part of their lives".
"He's here and he's ideal!" the 38-year-old Kardashian, who also has her own make-up and fragrance lines, tweeted.
Reality star Kim Kardashian West says her newborn son is the "most calm and chill" of all of her children.
The new baby joins three other siblings: sister Chicago, who was born last year via surrogate, five-year-old sister North, and three-year-old brother Saint.
Details about the arrival of the baby was shared on Thursday by Kourtney when she appeared on the Ellen show which is set to air on Friday.
Pentagon eyes longer-term support on U.S.-Mexico border
Some lawmakers have been highly critical of the Pentagon shifting money not originally authorized for border security. President Donald Trump on May 9, said he will nominate Shanahan to be his second secretary of defense.
Cook County at high risk for measles outbreak in 2019, report says
The state Department of Health said that 4% of Washington K-12 students have non-medical vaccine exemptions. Ensuring up to date policy for the rapid diagnosis and triage of suspected measles cases is also critical.
Vladimir Putin trips over carpet after annual hockey game
Putin finished the game with eight goals which means even if his teammates hadn't scored any goals, his team still would have won. Putin played on the "Legends" team in the exhibition match alongside Russian hockey stars such as Slava Fetisov and Pavel Bure.
Sharing a photo of her grandmother, MJ, raising a martini glass, Kendall simply wrote, "happy mother's day".
Kardashian and West are understandably thrilled to have their fourth baby, with a source telling ET: "Kim and Kanye feel complete with the addition of their newest son". Kim has always wanted a big family, and this expansion has filled her and Kanye with so much happiness. He's so flawless! Here are some pics of my CBD baby shower.
One family member who wasn't allowed to visit the hospital was Kris Jenner, who explained why she had to stay away. News at the 2019 Race to Erase MS Gala in Beverly Hills: "I have a cough".