John Travolta pays tribute to Olivia Newton-John

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Actor John Travolta, who co-starred in the hit film musical "Grease" with Olivia Newton-John,

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has paid tribute to the late singer."You made all of our lives so much better, my dearest Olivia,"

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the actor wrote on Instagram. "Your influence was enormous. I adore you to pieces."

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Newton-John and Travolta rose to international prominence in 1978 as bad boy Danny

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and sweet Sandy in the film musical "Grease." Just a few years ago, the two reprised their roles

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for one special night in West Palm Beach, Florida, at the Coral Sky Amphitheatre for a sing

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along of the film and a Q&A session. Newton-John wore her signature yellow skirt, matching cardigan,

and a white button-up shirt. Travolta sported a classic leather jacket, and his hair was slicked back. It was the first

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time the two had dressed up since making the film more than 40 years before, Newton-John wrote on Instagram at the time.