Perry said she wanted feud to end but also warned Swift that "there's going to be a reaction"
From stolen dancers to passive aggressive tweets, here's a look back at the source of the alleged "Bad Blood"
Singer performs acoustic "I Don't Wanna Live Forever" and "Better Man" at her (potentially) only concert of 2017
"I Don't Wanna Live Forever" appears on the 'Fifty Shades Darker' soundtrack
Is latest 'America's Got Talent' winner the next Taylor Swift?
Global star and country titan make substantial donations to help families in the Gatlinburg area
Jack Antonoff-produced track written for 'Fifty Shades Darker' soundtrack
Taylor Swift Now to feature behind-the-scenes footage, concert performances and more from the Swift archives
Vocal group releases video for "Better Man," the first single off new album 'The Breaker'
With her mature songs like "Tim McGraw" and "Should've Said No," the teenager changed country music forever
Singer debuts piano rendition of "This Is What You Came For" to crowd of 80,000 at Texas race track
Pop star signs massive advertising deal with AT&T
District court judge rules that 'Suicide Squad' actor never owned leaked video's rights, negating his copyright infringement lawsuit
From Miley's twerk to Eminem being a jerk, the craziest highlights from the ceremony's wild past
"We began The '1989' World Tour in Louisiana, and the wonderful fans there made us feel completely at home," singer said in statement