Every year your favorite musicians write new music, record new tunes, and release tracks for fans to hear, but there are some crazy facts about this process that will shock you! A bunch of totally shocking facts about your favorite stars and their songs just hit the web, and some of them are wild!

ARE ED SHEERAN AND ELLIE GOULDING WORKING ON NEW MUSIC TOGETHER?

Click through the gallery to see the shocking stories about your favorite stars' songs — from artists like Demi Lovato, Nick Jonas, Bridgit Mendler and more! Then, let us know which fact surprised you the most!