Katy Perry un-dissess Taylor Swift and then rips her pants !Forgive and forget, then go on to rip your pants! #hits931 #hits931artistkatyperry Katy Perry Changes Her Lyrics About Taylor Swift—and Accidentally Rips Her Own Pants Via www.eonline.com As Katy Perry sings, “they know what is what.” We knew it was a major moment when the Grammy… 06/13/2017 2:33 PM