The "Great Walk to Beijing" was a fundraiser for my cancer center. It was a three-week trek with fellow cancer "thrivers," including celebrities ranging from Joan Rivers to Leeza Gibbons, and Olympians.

I'm happy, and I think being happy keeps you looking young.

Singing at the Opening Ceremonies of the Sydney Olympics in 2000 was amazing and, probably the highlight of this decade is the opening of the Olivia Newton-John Cancer and Wellness Centre in my hometown of Melbourne, Australia.

Nothing I have done professionally will top the feeling I got when singing with John Farnham at the 2000 Olympic Games in Sydney.

Early detection is key," she said. "And if I hadn't found my lump early, I don't know what would have been. I am still here and I want to encourage women to do that on a regular basis.

I simply have a marvellous life, a very lucky life.

I really love performing with an orchestra and am very excited to do so with the Kalamazoo Symphony.