Bad Blood: Calvin Harris collaborates with Kanye to pen breakup song about Taylor Swift!

Scottish DJ is Calvin Harris has reportedly already started writing a breakup song about his split from pop star Taylor Swift .

Harris, 32, is working hard in the studio on tracks for his upcoming fifth album, and it is said he is even considering getting Kanye West on board for the sessions, as he takes the lyrical route often explored by his ex after the end of a relationship, reported Daily Mirror.

"Kanye is up for doing something with Calvin and Rihanna and now Calvin's no longer with Taylor anything is possible," a source said.

Swift's new romance with Tom Hiddleston has reportedly prompted a potential change in direction for the record.

"Calvin feels that talking publicly is not the way to go, but expressing things in music is the better option," it added. "He's currently working on some new music and has been milling over some tunes about heartbreak, deceit and lost love."