You may have all seen Zac Efron's experimental hair stages.

At first like this:

Then more serious:

Then blonde:

And finally, like this:

Until now? Zac Efron's hair looks more or less like this:

Po, po, Mr. Farquaad:

For those wondering, yes, the model is definitely (and thankfully) for a movie role. Zac will play the famous wrestler Kevin Von Erich. 

Source: Buzz Feed