PERTH, AUSTRALIA - JUNE 23: A general view as the Australian national anthem is played during game two of the 2019 State of Origin series between the New South Wales Blues and the Queensland Maroons at Optus Stadium on June 23, 2019 in Perth, Australia. (Photo by Will Russell/Getty Images)

Four-time ARIA award winner Guy Sebastian will headline the entertainment for the State of Origin decider on Wednesday night.

Sebastian - who is also a coach on The Voice - will perform his song Choir before the kick-off of Origin III.

“This is the biggest match of the year so far and we will have one of Australia’s best artists for the occasion,” NRL Chief Commercial Officer Andrew Abdo told