April 22, 2013 (Los Angeles, CA) – ENTERTAINMENT TONIGHT has obtained an exclusive statement from actress and singer Olivia Newton-John regarding her sister Rona Newton-John’s recent brain cancer diagnosis:

"I recently received the very sad news that my beautiful sister, Rona Newton-John, has been diagnosed with brain cancer.  In light of this news, I have decided to postpone my forthcoming Las Vegas residency to spend time with her and our family.  As a cancer 'thriver' myself, as many people are, I am very aware of the importance of love, support and family during this journey she is about to begin.  I want to thank everyone in advance for respecting our privacy during this difficult time."

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TUNE INTO “ENTERTAINMENT TONIGHT” TOMORROW, TUESDAY, APRIL 23, 2013

PHOTO CREDIT: MICHELLE DAY