Calvin Harris slams his ex, Taylor Swift on Twitter over Song Copyright

This morning TMZ did a report claiming Taylor Swift wrote and recorded a demo for Calvin Harris & Rihanna's hit song 'This Is What You Came For'. Taylor's reps later confirmed the report to People and that was when the famous DJ took off his gloves and came for Taylor and her team on Twitter.

In his rants, he admitted that Taylor wrote the lyrics but said her team was trying to make him look bad. He confirmed Taylor's hit single 'Bad Blood' was about Katy Perry and said he won't be Taylor's next door mat and that she should focus on her new relationship.