Olivia Newton-John says she's 'thriving' as she battles cancer for the third time

Olivia Newton-John is determined to stay positive through her hardships.

The "Grease" star has teamed up with Dancers Against Cancer, an organization that aims to inspire and financially support dancers, choreographers, dance educators and their families who have been impacted by cancer.

At a shoot for a PSA for the organization, Newton-John told People she's choosing to look on the bright side, despite being in the midst of a cancer battle herself.

“I’m doing well. I’m thriving. This is my word,” she said.

The video for the organization features three girls who speak about how dance has helped them cope with their cancers.

The 70-year-old said she's always had a special place in her heart for dancers.

“The dance performing community means a lot to me. I’ve always loved dancers and wished that I’d learned when I was very young,” the Grammy-winner said. “I used to do creative dance, but I never really learned it until I had to dance with Gene Kelly and John Travolta. Lucky me, I got to do 'Dancing with the Stars' long before it was a show.”

More: Olivia Newton-John diagnosed with cancer for the third time

Newton-John is battling cancer for the third time. In 1992, she was diagnosed with breast cancer. After a car accident in 2013, doctors found cancer in her shoulder. Last year, the "Physical" songstress revealed she has cancer on her back, with a tumor at the base of her spine.

“My cancer journey started in 1992, and I went through surgery and chemotherapy,” she said. “I was very lucky enough to have yoga and massage and homeopathy and meditation, and then I had a spell of years where I was OK. And then I have metastases now.”

More: Olivia Newton-John explains why she kept her second cancer battle secret: 'It's my life'

Newton-John is not the only one in her family to experience the life-threatening illness. Her sister died six weeks after her brain cancer diagnosis in 2013.

More: Amid cancer battle, Olivia Newton-John says, 'I use a lot of cannabis in my healing'

This article originally appeared on USA TODAY: Olivia Newton-John cancer update: Star says she's 'thriving'