Feuds

Katy Perry and Taylor Swift’s Feud Timeline: A Look Back at Their Complicated Relationship

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Katy Perry and Taylor Swift at the 52nd Annual GRAMMY Awards - Salute To Icons Honoring Doug Morris held at The Beverly Hilton Hotel on January 30, 2010 in Beverly Hills, California
Katy Perry and Taylor Swift at the 52nd Annual GRAMMY Awards - Salute To Icons Honoring Doug Morris held at The Beverly Hilton Hotel on January 30, 2010 in Beverly Hills, California. Kevin Mazur/WireImage
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After years of bad blood, Us Weekly looks back at how the Katy Perry and Taylor Swift went from friends to, as Swift once put it, “straight-up enemies.”

PHOTOS: Hollywood's Most Passionate Celebrity Feuds

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