Taylor Swift came "excruciatingly close" to walking away from fame altogether after her bitter feud with Kim Kardashian spiraled into one of the most vicious online backlashes in pop culture, a new Channel 4 documentary reveals.

As RadarOnline.com has previously reported, the 35-year-old singer, one of the world's most successful recording artists, was at the center of a firestorm in 2016 when Kardashian, now 44, branded her a "snake" in a viral tweet that unleashed a wave of targeted abuse. Article continues below advertisement

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The incident, which followed years of tension linked to Kardashian's ex-husband Kanye West ,

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