Katy Perry is one of the biggest pop stars on the planet, so it’s no wonder her life gets pretty overwhelming at times. But in the video above, Katy shares how Transcendental Meditation helps her stay centered despite all the commotion. “Life sometimes can get very difficult and chaotic, and you have to give yourself a break, you have to give yourself a moment to revive, unplug, rejuvenate . . . and Transcendental Meditation does…