Olivia Newton-John will be honoured in a state memorial following her death from breast cancer at age 73.

The Grease star will be remembered at a free, ticketed service to be held on Sunday, February 26, featuring tributes from family and friends.

The event at Hamer Hall, at Arts Centre Melbourne, will include a performance from singer Delta Goodrem, who played Newton-John in a 2018 miniseries.

Victorian Premier Daniel Andrews hailed Newton-John as a hero for her contributions to the arts, philanthropy and raising cancer awareness.

“Dame Olivia Newton-John was an inspiration to many around the world,” he said.

“Her work in cancer research and treatment saved lives and changed lives, and her music was the soundtrack to a generation.

“We know Victorians are eager to celebrate the life of a driving force in medical research and an icon of film and music, with a service befitting her international acclaim.”

Newton-John, best known for playing Sandy in the 1978 hit film Grease opposite John Travolta, died on August 8 at her ranch in southern California.

She battled breast cancer three times after first being diagnosed in 1992 and underwent chemotherapy, a mastectomy and breast reconstruction surgery.

Her health battle ultimately led her to establish the Olivia Newton-John Foundation to fund cancer research.

She also founded the Olivia Newton-John Cancer Wellness and Research Centre in Melbourne, which supports people living with the disease.

She is survived by her husband John Easterling and only daughter Chloe Lattanzi.

-AAP