Katy Perry Pulls Off SHOCKING Stunt With Her Head

Katy Perry is thinking with her head! The singer sharing a sneak peek at next week’s episode of ‘American Idol’ on Instagram. In the clip, Katy can be seen preparing to chop a piece of wood with her hand, but at the last second, smacks it in two with her head! 'American Idol' airs Sundays on ABC.