The Keeping Up With The Kardashians star has revealed she is expecting a baby girl who will be "forever best friends" with her sisters' children "Chicago and Stormi".
Taking to Twitter the reality star, who is eight months pregnant said: "I am now so excited my daughter will have forever best friends with Chicago and Stormi!! God is great!!! Thank you Lord for our princess."
Chicago is her sister Kim Kardashian West's daughter, and Stormi is her half-sister Kylie Jenner's daughter, both of whom were born in the last two months.
In the US season finale of Keeping Up With The Kardashians, Khloe was seen phoning her mother Kris Jenner, in which she revealed she and her partner, basketball star Tristan Thompson, are expecting a girl.
In a previous clip, she said she was convinced she was having a boy.
Shortly before she shared the news of her baby's gender, Kardashian had teased fans with a picture of a cake on Instagram that bore the words: "Congratulations, it's a..."
How cute is Kylie for getting me this cake?!?! Watch the KUWTK season finale to find out what’s inside... pic.twitter.com/mvTafVmvZ8— Khloé (@khloekardashian) March 5, 2018
She wrote: "How cute is Kylie for getting me this cake?!?! Tune in to tonight's episode to find out what's inside."
The 33-year-old revealed in December that she and Thompson were to be parents, saying it was her "greatest dream realised".