Source: <a href=https://www.google.com/url?rct=j&sa=t&url=http://www.mtv.com.au/news/73fdc805-calvin-harris-takes-a-dig-at-ex-rita-ora-over-twitter-140814/&ct=ga&cd=CAIyGjViN2YyMDkwMTU0OTZhNWQ6Y29tOmVuOlVT&usg=AFQjCNGsGsHd4c3dSxoLKHJA1fLkAmFQxA class="colorbox" title="Calvin Harris takes a dig at ex Rita Ora over Twitter!” >calvin harris