The 70-year-old Australian singer was diagnosed with her third bout in 2017, after she was successfully cured of the disease twice in 1992 and 2013.
Olivia Newton-John and her daughter break down in tears as they address the Grease star's cancer
The 70-year-old Australian singer was diagnosed with her third bout in 2017, after she was successfully cured of the disease twice in 1992 and 2013.