Katy Perry is prepping a major reveal tomorrow and is giving fans a preview ahead of time.

Today on Twitter she shared a snippet of a new song named ‘Witness’ – a track widely believed to be the title track of her hotly anticipated fourth studio album.

What are you waiting for? Take a listen below…

With fans speculating about everything from a surprise release, to tour dates, it appears she’s enjoying keeping folk guessing.

In any case, an answer is due in a mere matter of hours.

Stay tuned.

Your thoughts?