Olivia Newton-John says she's 'feeling great' amid cancer battle: 'I don't think I imagined living this long'

Olivia Newton-John has much to be grateful for!

Newton-John, 72, who has been battling stage 4 metastatic breast cancer since 2017, is looking on the bright side of life. It's her third time being diagnosed with the disease after 1992 and 2013.

"I'm so lucky to still be doing all these things," Newton-John told People. "I don't think I imagined living this long! I feel very blessed."

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The Grease actress said she's been "feeling great" and credits the unwavering support she's received from her husband John Easterling.

"I'm very lucky to be married to a wonderful man who is a plant medicine man, and he has great knowledge," she said. "Now he's growing medicinal cannabis for me, and it just has been wonderful. It helps me in every area."

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Newton-John has been quarantining in California with her daughter Chloe Lattanzi. The performer admitted that she's been relishing the quality time with her.

"I worked my whole life, and the longest period I can remember being home was my pregnancy with Chloe and the first year or two of her life," Newton-John said. "So it's been wonderful reconnecting with my baby. She is my reason to be."

Newton-John established a foundation dedicated to finding new ways to fight breast cancer. The actress has been through surgery, chemotherapy and radiation in her fight to beat the disease.