Katy Perry: Will You Be My Witness Official Trailer

Watch the official trailer for KATY PERRY: WILL YOU BE MY WITNESS , a YouTube Red Original Movie. Premieres October 4 In her new YouTube Red Original Movie, the colorful pop icon puts her life on camera 24, 7 for four whole days, in her most intimate reveal yet. Join Katy as she does behindthescenes in the creation and aftermath of this unprecedented livestreaming event with friends, artists and celebrity guests. YouTube Red Originals If you live outside the United States, Mexico, New Zealand, Australia or South Korea, click here for more details on availability in your country: