Source: <a href=https://www.google.com/url?rct=j&sa=t&url=http://www.theguardian.com/music/2014/aug/13/rita-ora-calvin-harris-blocked-teen-choice-award-performance&ct=ga&cd=CAIyGjViN2YyMDkwMTU0OTZhNWQ6Y29tOmVuOlVT&usg=AFQjCNF5LH5FmYM4fPI6CMFwbXLKqXpfpA class="colorbox" title="Rita Ora: Calvin Harris blocked Teen Choice Award performance” >calvin harris