Teen Vogue

Justin Bieber’s doppelgänger is Derek Zoolander >>

And it’s perfection.

Taylor Swift, meet Taylor Swift >>

Nina Dobrev and Victoria Justice finally took the twin photograph we’ve all been waiting for >>

So, which supermodel is your style twin? >>

Model BFFs or twins separated at birth?

You decide >>

You already love Lindsay Lohan's version of The Parent Trap, but did you know it was a book first? >> 

Mary Kate and Ashley are finally spilling their beauty secrets...

And no, they're not identical >> 

Anxious about starting a new school? 

Try these tips everyone (secretly) uses to make friends >> 

After a weekend spent at Outside Lands, we're seeing double >> 

Sometimes best friends accidentally wear the exact same outfit to brunch. 

You know it's true >> 

No, you're not seeing double—here are Mary-Kate and Ashley's best style moments of all time >> 

Throwback Thursday alert!

We're revisiting the Olsen twins' top 10 style moments >> 

Best friends are indeed the people who make you pee yourself. 

True story >> 

How can you not love Les Twins?

Get to know the amazing dancers (plus learn a little French!) here >> 

Sister Sister...

No wait—wrong twins >> 

So similar and yet so different >>

Can you tell who is who?

Parlez-vous français? >> 

Un peu.