Referees for December 26 games

Match officials for the Boxing Day fixtures in the Ladbrokes Premiership...

Aberdeen v Livingston - Bobby Madden
Hamilton Academical v St Johnstone - Gavin Duncan
Heart of Midlothian v Hibernian - Don Robertson (Sky Sports, 12.30pm)
Rangers v Kilmarnock - Steven McLean
Ross County v Motherwell - Greg Aitken
St Mirren v Celtic - William Collum (BT Sport, 3.00pm)