Daughter Bennett Llewellyn Kelce was born on Thursday, Feb. 23, weighing 8 lbs., 5oz. and measuring 21 in., the couple shared.
“Yesterday little lady #3 joined us,” the couple captioned the photo of their newborn daughter, dressed in a gray onesie set with daisy print.
Speaking with PEOPLE 38 weeks into her pregnancy as she prepared to see her husband compete in Super Bowl LVII, Kylie opened up about what she loves about Jason as a girl dad.
“I don’t think in his life, Jason ever assumed that he would be the father of three daughters,” Kylie told PEOPLE.
“He would always be like, ‘No, no, we’ll get a boy. We’ll get a boy.’ And I’m like, ‘You got to stop challenging the universe. Stop saying it because you’re the universe is like, ‘Yeah, okay,’ ” she chuckled.