While there are plenty of things in the world worth raising an eyebrow at, "Pitch Perfect 2" star Anna Kendrick's mastery of the perfectly arched "are you serious" brow is not one of them. Girl's a master.

Don't believe us? She's been at in the expressive brow game at least since her feature film debut in 2003's "Camp," featuring wee baby Kendrick and her wee sassy eyebrows.

To help you decode the many levels of eyebrow-raising in Kendrick's repertoire, we've compiled a handy graphic so you know when disbelief and danger are headed your way.

Check it out below.