Source: <a href=https://www.google.com/url?rct=j&sa=t&url=http://www.hngn.com/articles/38998/20140813/rita-ora-calvin-harris-prevented-me-from-performing-at-the-teen-choice-awards-video.htm&ct=ga&cd=CAIyGjViN2YyMDkwMTU0OTZhNWQ6Y29tOmVuOlVT&usg=AFQjCNFaTSIR1LzgV9XiuVpNjxN5Kfmikw class="colorbox" title="Rita Ora: Calvin Harris Prevented Me From Performing At The Teen Choice Awards (VIDEO)” >calvin harris