Full show: Rita Ora All I Want For Christmas Is You performance MTV VMA 2013 Rita Ora All I Want For Christmas Is You performance MTV VMA 2013 Rita Ora All I Want For Christmas Is You performance MTV VMA 2013 Rita Ora All I Want For Christmas Is You performance MTV VMA 2013 Rita Ora All I Want For Christmas Is You performance MTV VMA 2013 Rita Ora All I Want For Christmas Is You performance MTV VMA 2013