The Keeping Up With the Kardashians star announced early Saturday morning that she gave birth to her son in the wee hours of the day.
"Kim Kardashian West and her husband, Kanye West, welcomed the arrival of their son this morning. Mother and son are doing well," the announcement on her website read.
Kardashian West also took time to tweet on her personal Twitter account, "He's here!" accompanied by a photo of her and West holding hands.