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 "Move Your Body" guarantees that Beyoncé shows up. Here's another video of stiletto-clad Beyoncé materializing during a "Move Your Body"…

Behold the jelly-shaking rapture of supreme funk goddess Beyoncé Knowles, seen here performing "Move Your Body" — a high-impact, aerobicized version of her 2007 hit, "Get Me Bodied." You remember that one. It was like "Girls (Who Run the World)" — except it was good.