Olivia Newton-John and Stockard Channing in 1998.Photo: Bei/Shutterstock

Stockard Channingis honoringOlivia Newton-Johnfollowing her death from breast cancer.
The actress — who played Pink Lady Betty Rizzo alongside Newton-John’s Sandy in the 1978 musical filmGrease— shared a heartfelt tribute to her costar, whodied Monday morningat age 73.
“I don’t know if I’ve known a lovelier human being,” Channing, 78, says in a statement to PEOPLE. “Olivia was the essence of summer – her sunniness, her warmth and her grace are what always come to mind when I think of her.”
She added, “I will miss her enormously.”
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FellowGreasecostarJohn Travolta, who played Danny Zuko, alsoposted a loving notevia his Instagram in remembrance of Newton-John following the news of her death.
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Alongside a throwback photo of the late actress, Travolta, 68, wrote in the caption, “My dearest Olivia, you made all of our lives so much better.”
“Your impact was incredible. I love you so much,” he continued. “We will see you down the road and we will all be together again.”
“Yours from the moment I saw you and forever! Your Danny, your John!” he concluded.
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“Olivia has been a symbol of triumphs and hope for over 30 years sharing her journey with breast cancer,” he added. “Her healing inspiration and pioneering experience with plant medicine continues with the Olivia Newton-John Foundation Fund, dedicated to researching plant medicine and cancer. In lieu of flowers, the family asks that any donations be made in her memory to the@onjfoundation.”
In May 2017, Newton-John announced thatshe was diagnosed with breast cancer, which had metastasized to the sacrum. At the time, her team said that Newton-John would be completing photon radiation therapy, in addition to natural wellness therapies after consulting with her medical team at the Olivia Newton-John Cancer Wellness and Research Centre in Melbourne, Australia.
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source: people.com