John Travolta returns as Danny Sandy as he pays tribute to 'Grease' co-star Olivia Newton-John
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The actors starred with Australian teenager Sandy Olson in 1978
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Rydell High lovebirds in Grease, a hit film based on the 1971 musical, set in 1959.
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Newton-John, 73, died Monday, her husband John Easterling announced on social media
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Dame Olivia Newton-John died peacefully on her ranch in Southern California
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Newton-John, Anglo-Australian actor and singer, was diagnosed with breast cancer in 1992.
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Travolta, who was born and raised in Englewood, shares a photo of a young Newton-John
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Dear Olivia, you have made our lives so much better," said Travolta, 68.
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