Taking to Twitter, the 62-year-old momager expressed her gratitude as she welcomes her daughter Kylie' Jenner's new addition to the Kardashian-Jenner Klan.
"God is SO good!! I am so excited and thrilled to welcome another precious baby girl to our beautiful, ever growing family. We are blessed beyond belief!" the proud grandma wrote.
The famous momager also posted a video which was produced in order to celebrate the birth of Jenner and her boyfriend Scott's little girl.
In it, Kris left a message for her new granddaughter: "You’ve got the best mum! You’re so lucky, this is such a blessing – this is going to be the most amazing journey.
"I can’t wait to see you, meet you, kiss you, love you, [and] teach you things that maybe only I can teach you. And your mum can teach you the things that she can teach you – it definitely takes a village! And I learned that along the way."
Other members of the family including Khloé Kardashian posted their excitement about the new bub's welcoming.
In an intimate social media post, Kardashian – who is 7 months along in her own pregnancy – shared a heartfelt message to her baby sister.
"Congratulations My Sweet Kylie! What a magical ride it's been! I'll miss you bumping along with me. Never in a million years did I think we would do this together but it's been that much more special because of it. God is so great!! He had His plan all along! I love you little mama 💕 love big mama."
Kardashian accompanied the adorable tribute with a never before-seen-picture of the two sisters donning their baby bumps in crop-tops.
Kim Kardashian reposted Kylie's confessional Instagram note and was quick to comment on Khloé's snap, writing: "OMG best pic ever!!!"
Kourtney, Rob, and full-sister Kendall Jenner are yet to make any comment on the happy announcement.
Meanwhile, new dad Travis Scott took to Twitter to share the news hours after his girlfriend did.
Mentioning the date of his daughter's birth and confirming there's a "New rager in town!"
Too sweet! Congratulations to the happy family.