The sky is blue, the grass is green, and Zac Efron is hot AF — those are facts that we can trust in.
Don't believe me? Well, here's scientific proof.
But the internet is currently losing its mind because Zac turned up at Sundance Film Festival with platinum blond/white hair and...well, it's really something.
Let's take another look, shall we?
How about in black and white for dramatic effect?
Anyway, with all due respect to brunette heartthrob Troy Bolton, the thirst for blond Efron is very, very real.
Some might say the thirst has got out of hand.
This isn't actually the first time Zac's dyed his hair, but I personally think we should all agree to forget 2016...
Anyway, Zac debuted his platinum look while promoting upcoming movie Extremely Wicked, Shockingly Evil and Vile in which he plays infamous serial killer Ted Bundy. The movie has already been criticised, with some saying that Efron is "too attractive" for the role and that the casting therefore glorifies Bundy.
However, others have leapt to the movie's defence, saying Zac being called "too attractive" is entirely the point.
Despite the criticism, early reviews for the movie have been pretty good, with Efron's portrayal labelled "career-changing" and his "best performance" to date.