
According to HollywoodLife.com, the "Shake It Off" hitmaker is motivated to write a diss track in response to Kanye's explicit line about her.
A source tells the site "She had things relatively shut down after the tour to relax and just have quality
time with Calvin [Harris], care for her Mom and hang with her cats but
with the Grammy Awards and Kanye dropping his shade on her it has awoken
the beast so to speak and she is now in full writing...