Chris Hipkins will more than likely become the New Zealand Labour Party's leader at a meeting of MPs on Sunday afternoon.
The caucus was shocked this week when Prime Minister Jacinda Ardern announced she would be resigning from the leadership. It was a move only Ardern's closest confidants knew about until Thursday morning.
Just 48 hours later and it was announced Hipkins was the sole nominee for Ardern's role.
Labour MPs flooded social media with pictures of them and Hipkins or short statements praising his ability.
However, the caucus still needs to come together on Sunday to officially confirm Hipkins as leader.
Considering the outpouring of support for him - including from Ardern - his endorsement is more than likely.
At that 1pm meeting, it's also possible the caucus will decide on a deputy leader. The current deputy leader Kelvin Davis hasn't publicly resigned yet though.
Newshub sources suggest Carmel Sepuloni has the momentum to get the deputy role if it's up for grabs.
Following the caucus meeting, Hipkins will hold a press conference at 3pm, which Newshub will livestream, you can also watch it live on Three.
Hipkins won't officially become the Prime Minister until Ardern tenders her resignation and he is sworn in by the Governor-General.