You won't guess who this Kiwi Hollywood star is!

This Kiwi star has nailed their school photo, complete with that important blue background - but do you know who it is?

It's none other than Kiwi acting superstar KJ Apa, who uploaded the photo to Instagram today. 

He captioned the image: "The real KJ Apa. Ps: Up the Crown 👑. if you know u know". 

READ MORE: KJ Apa puts Sela in his place!

The caption relates to KJ's primary school, Auckland's Kings College prep boys uniform.

Fans have gone crazy about KJ's childhood pic, with many relating to his teeth: "Bro that was me as well when I was younger I had a big ass gap just like!".

KJ has also posted a crack up transformation picture where his head is photoshopped onto a more recent photo of the Kiwi actor. 

We love it KJ, so funny!!