Niall Horan is to appear alongside Delta Goodrem on The Voice Australia as a guest mentor tomorrow (June 10).

Horan is in Australia as part of his 'Flicker' world tour, as he played Brisbane on June 3, Sydney on June 5 and Melbourne on June 7. He then plays Manila in the Philippines tomorrow (June 10). 

Nick Jonas will also be a guest mentor this weekend.

The Voice Australia's semi-finals are on Sunday and will see five artists leave. It will also feature performances by Conrad Sewell and Noah Kahan.

The Grand Finale takes place next weekend. 

Watch James Arthur premiere is new single, 'You Deserve Better', on last weekend's The Voice Australia below: