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There are ways to summon magical beings: A tooth under the pillow summons the tooth fairy. Clapping saves Tinkerbell. And a gymnasium full of school children line dancing to "Get Me Bodied" basically guarantees that Beyonc shows up. Here's another video of stiletto-clad Beyonc materializing during a "Move Your Body" workout, this time at P.S. 161 in Harlem. Apparently giving tween girls heart attacks is part of Michelle Obama's Let's Move campaign? Although these girls are actually pretty blas. I can't decide if they knew that Beyonc was coming, or were just like, "Oh like the viral video. Duh."More Read More ...

![Beyoncé Sneaks Up on Teen Girls Dancing to Her Song [Video]](https://img.ksl.com/slc/2491/249133/24913382.jpg?filter=kslv2/responsive_story_lg&v=1304560287)







