19 Hit Songs Inspired by Celebrities: That's About WHO?!?
Taylor Swift writes songs about her exes as frequently as some people change their underwear. Swift's "Shake It Off" is rumored to be about both former flames Jake Gyllenhaal AND Harry Styles.
Or it's just an anthem about rising above and shaking off the haters. Either way, that's Taylor's M.O., but she isn't the only scathing songwriter in the game.