Hannah and Clint announced they were pregnant back in May.
Archie joins big brother Finn, seven, and Poppy, five.
This article originally appeared on WHO.
For more parenting news head to the Practical Parenting site.
The Block's Hannah and Clint welcome baby 3
Another Block baby!
- by
Chloe Lal
Last year's fan favourites from 2017's The Block Hannah and Clint have welcomed their third child together!
The couple confirmed their news on Instagram.
"Introducing Archie Oliver Amos," they penned.
"Our beautiful baby BOY made his entrance into this world yesterday at 1238. Weighing in at 8lbs 6oz. Both Mum and bub are doing amazing ✨"
