People-Olivia Newton-John

FILe - In this Jan. 27, 2018 file photo, Olivia Newton-John attends the 2018 G'Day USA Los Angeles Gala at the InterContinental Hotel Los Angeles. Newton-John says she has been diagnosed with cancer for the third time in three decades. The four-time Grammy winner, who will turn 70 on Sept. 26, told Australian news program “Sunday Night” doctors found a tumor in her lower back in 2017. (Photo by Richard Shotwell/Invision/AP, File)