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What's wrong, Demi Lovato? You look like you've seen a ghost.

Well, the starlet kinda, sorta has—thanks to Nick Cannon!

In this exclusive preview clip from Thursday night's episode of Punk'd, the 19-year-old "Skyscraper" singer finds herself in a Hollywood music studio, which, unbeknownst to her, has been specially rigged by Cannon and his crew in hopes of giving the gal the fright of her life.

"That sounded really creepy," Lovato says upon hearing a loud whooshing, almost humanlike noise while sitting in the control room.

Of course, she isn't sitting for long when she gets a glimpse of a mysterious figure over by the piano.

"I'm, like, about to cry," Lovato exclaims.

We get the feeling viewers will be crying, too. From laughter.