Ariana Grande Changes Her Hair Color, Proving That Going Blonde Is An Unwritten Rule In The Pop World

Ariana Grande's cover art for her upcoming single, "Focus," has a bright surprise--her hair!

Early Wednesday morning, Ari shocked her fans when she took to her Instagram to post a snapshot of her new do.

Looking at this picture made us think about all of the other pop stars that went blonde at some point in their careers. It's like an unwritten rule that if you want to make it in this business, you need some highlights in your life. Here's a look at all the other pop divas that have gone this route, and seemingly prospered because of it.

Madonna

Her blonde ambition was real.

Cher

Wow! She looks like a completely different person.

Nicki Minaj

The Head Barb In Charge can do no wrong.

Miley Cyrus

Her Hannah Montana days are long gone.

Avril Lavigne

Still beautiful sans red hair.

Ciara

Cici is without a doubt...everything.

Britney Spears

American's (occasionally troubled) pop sweetheart has always rocked blonde strands.

Christina Aguilera

Is it just us, or does her hair gets brighter and brighter every few years?

Beyonce

Queen Bey's beauty is unmatched.

Lady Gaga

The Mother Monster's strands are always on fleek.

P!nk

Though we miss the pink hair, she still rocks blonde like a pro.

Are we missing anyone? Let us know in the comments section below.