Olivia Newton-John hasn’t undergone radiation in “a couple of years” and hasn’t had a scan for cancer “for a long time,” which the 72-year-old actress happily revealed in an EXCLUSIVE interview with HollywoodLife! While the leading lady from Grease has emerged from her third round of cancer (which had returned in May of 2017), the Australian icon is still investing her time into finding “kinder therapies” for those still battling the disease with her new Olivia Newton John Foundation that