Olivia Newton-John has teamed up with Queen and John Farnham for Australian fire relief concert

Some of the biggest names in Australian music are joining forces for a one-off benefit concert to raise money for Australian wildfire relief.

Olivia Newton-John is set to headline the Fire Fight concert - which will be held at Sydney's ANZ Stadium on Sunday 16 February - alongside Queen and Adam Lambert.

Taking to her social media, the 'Hopelessly Devoted to You' hitmaker told fans: "Australia, I am proud to announce I'll be performing at #FireFightAustralia alongside an incredible line-up of artists to raise money for national bushfire relief."

"I hope you can join us for this special day to raise much-needed funds for bushfire relief." 

While Queen also posted on Instagram: "Australia, we’re proud to announce we’re performing at #FireFightAustralia alongside an incredible line-up of artists to raise money for national bushfire relief."

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Joining the 71-year-old Grease star at the gig will also be Icehouse, Alice Cooper, k.d lang, Delta Goodrem, John Farnham, Tina Arena, Guy Sebastian and many more.

The nine-hour concert will be hosted by comedian Celeste Barber whose Facebook fundraiser has already raised more than $50 million for bushfire appeals.

Tickets for the event go on sale today and are priced at A$100, A$85 and A$70 with an option to make further contributions to bushfire relief during purchase.

The fires, fueled by high winds and scorching temperatures, have ravaged more than 25 million acres and killed 28 people since October.