"Welcome to our village wee one," Ardern wrote on Instagram at 6.15pm on Thursday.
It's go time for New Zealand's First Baby.
With Prime Minister Jacinda Arden officially in labour, her partner, Clarke Gayford, will no doubt be a bundle of nerves as he supports Ardern and prepares to become a first-time dad.
Gayford is about to enter a whole new chapter, onefull of dirty nappies, sleepless nights and best of all, lots and lots of dad jokes.
So while Gayford paces the halls of Auckland Hospital, we've rounded up some of the best dad jokes - with fishing and politics in mind - that he may want to add to his repertoire.