She delivered the girl around 4 a.m at hospital in the Cleveland area, according to TMZ.
Yesterday, West Coast rapper Game playfully trolled Kardashian's publicized alleged cheating scandal involving her boyfriend Tristan Thompson. Thompson didn't receive a very warm welcome back at his home arena.
Thompson, who played 30 minutes total, was not in the starting line-up but he came off the bench late in the first quarter and received audible disapproval from the crowd.
On Tuesday, a video tape surfaced of Thompson allegedly getting "up close and personal" with a mystery woman at a NY club over the weekend. Her name is Lani Blair.
In the black-and-white photo, the reality TV star could be seen showing off her growing baby bump. Kardashian revealed she was expecting a little girl on the Season 14 finale of Keeping Up With the Kardashians.
She confessed: "I love the Kardashians and I think it's devastating. We could start at one and grow from there", Kardashian said.
She just wants to be with her family and leave as soon as possible. The Good American designer confirmed her pregnancy in December after months of speculation. Thompson is also dad to a 16-month-old son, Prince Oliver, from a previous relationship.
This story is developing.