Pakistan, Oct. 5 -- Taylor Swift has given fans a behind-the-scenes look at her highly anticipated Patient Zero music video. The singer shared extended footage showing how the star-studded project came together.

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The eight-minute video was released by Apple Music and featured several entertaining moments from the production. It also revealed the surprising subject behind an intense argument between actors Dakota Johnson and Colin Farrell.

Johnson and Farrell appeared to be passionately arguing during one scene. However, their disagreement had nothing to do with the music video's story or their characters.

The actors were actually debating which movie feature...