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Olivia Newton-John Reveals Sister's Cancer Battle

Published on NewsOK Published: April 22, 2013

Actress Olivia Newton-John speaks exclusively to ET, confirming that her older sister Rona has been diagnosed with brain cancer.

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Earlier this month it was reported that the Grease star would begin a residency in Las Vegas, performing at the Flamingo hotel. Now in the light of her sister's health news, Olivia will be postponing those engagements to be with her family.

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