Where to watch Katy Perry: Will You Be My Witness? (2017) in the UK
Katy Perry: Will You Be My Witness? (2017) is currently available to stream in the UK on YouTube Premium. Last verified on 3 May 2026 by ScreenSearch.
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.
Streaming options in the United Kingdom
Updated daily from The Movie Database. Outbound links open the provider directly.
Last verified: — sourced from The Movie Database. Machine-readable: Markdown · JSON.
Cast & crew
Top-billed cast in Katy Perry: Will You Be My Witness?.
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Katy PerrySelf -
James CordenSelf -
America FerreraSelf -
Anna KendrickSelf -
SiaSelf -
RuPaulSelf -
Mario LópezSelf -
Caitlyn JennerSelf
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Katy Perry: Will You Be My Witness? — frequently asked questions
Where can I stream Katy Perry: Will You Be My Witness? in the UK?
Katy Perry: Will You Be My Witness? (2017) is currently included in subscriptions to YouTube Premium in the United Kingdom. Sign-in is required to play. Streaming licences change occasionally — ScreenSearch refreshes its data daily.
Is Katy Perry: Will You Be My Witness? on Netflix, Disney+ or Amazon Prime Video in the UK?
Katy Perry: Will You Be My Witness? is currently included with: YouTube Premium.
How accurate is this film's availability data?
Availability is sourced from The Movie Database (TMDB), which in turn pulls from JustWatch. Listings are refreshed daily. For purchase decisions, the provider's own site is the source of truth.
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