taking aim at kimye. ♪ >> and her it is, the giant tilted stage where kanye sang something that probablyended taylor. and she doesn't stop there. remember the phone conversation he secretly recorded, and released? that's never happening again. ♪ >> taylor herself helped produce the lyric video, which has already gotten more than 12 million views on youtube. and she said the music video will look like a car crash. a very different look from the girl squad she had in "bad blood." oh, and don't think katy perry gets away unscathed. remember their feud started when she accused taylor of stealing her backup dancers. she tweeted a "mean girls" reference to taylor. and the track has the same exact beats as this scene in the movie. ♪ >> announcing an upcoming tour and magazine covers, she has snake-themed merchandise, hoodies, and a ring. next, taylor's music evolution. whether you love or hate her new single, there's no denying's a dramatic shift for the pop star. think about it. swift shot to fame singing about romance and heartbreak. ♪ >> and now, she's writing songs about karma and revenge.