Olivia Newton-John reveals breast cancer has returned and spread to her back

Olivia Newton-John has announced her breast cancer has come back.

Australian songstress Olivia Newton-John is taking a break from her US tour after discovering her cancer has returned.

Olivia, 68, who was previously diagnosed with breast cancer in 1992, recently learned the cancer has returned and spread to her back. 

The singer initially postponed the first half of her tour after experiencing severe back pain which she believed was sciatica. 

In a statement released by Olivia's team, the singer is confident she'll be back in action soon.

"The back pain that initially caused her to postpone the first half of her concert tour, has turned out to be breast cancer that has metastasized to the sacrum," the statement said.

"In addition to natural wellness therapies, Olivia will complete a short course of photon radiation therapy and is confident she will be back later in the year, better than ever, to celebrate her shows."

Of her choice of treatments, Olivia said: "I decided on my direction of therapies after consultation with my doctors and natural therapists and the medical team at my Olivia Newton-John Cancer Wellness and Research Centre in Melbourne, Australia.”

Pictured: Olivia with husband John, daughter Chloe and Chloe's fiance, James Driskill.

The Grease star was first diagnosed with breast cancer in 1992 and has been a passionate advocate for survivors and cancer research.

Olivia has one daughter, Chloe Lattanzi, and is married to businessman, John Easterling. 

Want more? We thought you might like this video.