Watch ‘Katy Perry: Will You Be My Witness?’ Online. 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 behind-the-scenes in the creation and aftermath of this unprecedented live-streaming event with friends, artists and celebrity guests.
- Genre: Documentary, Music
- Country: United States
- Director: Rick Pendleton
- Cast: Katy Perry, James Corden, America Ferrera, Anna Kendrick, Sia, RuPaul, Mario López, Caitlyn Jenner, Dita Von Teese, Patty Jenkins, Jesse Tyler Ferguson, Mia Moretti, Neil deGrasse Tyson, Gordon Ramsay, Margaret Cho, Van Jones, Ana Navarro, Amanda Seales, Gigi Lazzarato,