They join previously announced acts including Blur, Suede and FKA Twigs
She joins previously confirmed headliners Liam Gallagher and Florence + The Machine
The two musicians were due to perform early next month in the Hawke's Bay region, an area hardest-hit by the severe weather event
“It’s been super exciting and I feel excited about what’s coming,” Lorde said of her 'Solar Power' follow up
Five-track debut EP 'Threads' is due out in February
The singer's comments come after the likes of Santigold and Animal Collective recently cancelled tours, citing economic difficulties related to touring
Laura Jean will open for the Kiwi pop magnate in Perth
Camp Cope, Barkaa, Kobie Dee, Kronos Quartet and more will also perform as part of next year's bill
The singers collaborated on the 'Solar Power' album prior to ever meeting in person
"This song to me is about embracing being your own worst enemy, embracing the anxiety"