Source: <a href=https://www.google.com/url?rct=j&sa=t&url=http://www.digitalspy.co.uk/music/news/a589986/calvin-harris-blocked-rita-ora-performance-at-teen-choice-awards.html&ct=ga&cd=CAIyGjViN2YyMDkwMTU0OTZhNWQ6Y29tOmVuOlVT&usg=AFQjCNEU-CWqbseMDjjmdjXigGvWH_IUew class="colorbox" title="Calvin Harris blocked Rita Ora performance at Teen Choice Awards” >calvin harris