Source: <a href=https://www.google.com/url?rct=j&sa=t&url=http://www.unrealitytv.co.uk/showbiz/war-rita-ora-insists-feud-calvin-harris-will-knock-girl/&ct=ga&cd=CAIyGjViN2YyMDkwMTU0OTZhNWQ6Y29tOmVuOlVT&usg=AFQjCNFTTaBn3h6QqfLjGCD9AIWaBjE3iQ class="colorbox" title="IT'S WAR! Rita Ora insists feud with Calvin Harris will not knock this girl out” >calvin harris