Image via Forever Not

You saw Robin Thicke and Paula Patton's split coming from a mile away. And obviously, Katy Perry and John Mayer wouldn't last forever...

Are you that relationship snob-- always the first to say, "I told you so," when a couple breaks up? Now, there's an app for that.

Prove yourself right with Forever Not by placing bets on both celebrity couples and your very own Facebook friends. (Don't worry-- your identity is kept secret).

That way, when it happens... You called it.

Do you think any of these couples have what it takes to make it forever?