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Cinema and entertainment world Olivia Newton-John has passed away at the age of 73

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The actress and singer is recognized worldwide for her role as Sandy Olsson in Grease,

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The film in which she starred opposite John Travolta. When his unfortunate news was announced,

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The actor used her official Instagram profile to issue a statement calling for her sacking.

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"My dear Olivia, you made our lives so much better," the actor wrote on Instagram. "Your influence was incredible. I love you so much."

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A few years ago, the couple reminisced about their roles on a special night in West Palm Beach, Florida,

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When he performed a theme song and a question-and-answer session at the Coral Sky Amphitheater.

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Newton-John wore her signature yellow skirt and matching cardigan and white shirt.

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Travolta wore a classic leather jacket, with his hair slicked back.

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Newton-John wrote on Instagram at the time that it was the first time the two had portrayed each other

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Because he first made the film more than 40 years ago.

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John Travolta publishes an emotional message thanking his fans for their support after the death of his wife

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In his tribute, Travolta said: "We'll see each other on the street and we'll all be together again."