Jacinda Ardern's birth announcement received thousands of likes within minutes, Megan Whelan looks at the social media reaction.
The couple announced the baby's arrival on Instagram. Within 15 minutes, the post had more than 20,000 likes, and 2000 comments.
"Thanks to all involved," tweeted the prime minister's partner Clarke Gayford.
- 'Welcome to our village wee one'
- look back at RNZ's live updates
- Read Jane Patterson's explainer of Winston Peters' duties as Acting Prime Minister
- the PM's baby makes all the news headlines
Naturally, social media was flooded with people wishing the family their best.
First came the well-wishers.
Politicians of all affiliations sent their congratulations too.
And there's always the funnies.