Her friend (and former rival) Katy Perry also attended ... video Katy included was her reaction to Taylor performing “Bad Blood.” That track sparked rumors that they were feuding almost ...

Watch videos of Katy Perry singing "Bad Blood" and getting a friendship bracelet below: More from Billboard ...

Fans were shocked when Katy Perry appeared at a stop of Taylor’s Eras Tour, especially considering their past. The feud between the two pop stars was fueled by Swift’s hit, Bad Blood ...

Katy Perry Sings Along to Taylor Swift’s ‘Bad Blood’ 6 Years After Squashing Feud “Clearly, that was portrayed with the ...

Katy Perry and Taylor Swift have come a long way ... Plus, some videos of Swift performing her music, including “Bad Blood” — a diss track that’s widely believed to be about Perry.

For a full breakdown of Taylor and Katy's relationship over the years, keep reading. Prior to any public bad blood, Perry and Swift appeared to be friends. The duo often spent time together at ...

Katy Perry is looking back on her 2015 Super Bowl performance with nothing but love. Perry, 40, shared a series of photos from the big day nearly 10 years ago on Instagram, captioning the carousel ...