The Wests have left the building!
Kimye's son arrived on Saturday, weighing in at 8 lbs., 1 oz. Kim announced the baby's arrival on her app over the weekend, but the 35-year-old didn't reveal the name of the baby until Monday when she posted it on social media.
So, what's the meaning behind Saint West?
Watch the E! News video above to learn all of the details on the baby's name and to find out the latest updates on Kim and Kanye!