The British-born actress, best known for her role as Sandy in the hit film Grease, has died at the age of 73
Travolta wrote on Instagram that her “impact was incredible” and captioned his tribute to the actress as “Yours Danny.”
Dame Olivia died “peacefully” at the age of 73 at her ranch in Southern California.
Her husband confirmed her death on social media. She is surrounded by family and friends, John Easterling said.
John Travolta’s tribute
Dame Olivia is best known for her starring role as Sandy in the 1978 film Grease, in which she starred opposite Travolta who played Danny Zuko.
He wrote on Instagram: “My dearest Olivia, you have made all of our lives so much better.
“Your impact was incredible. I love you so much. See you on the street and we’ll all be together again.
“From the moment I saw you, yours and forever! Your Danny, your John!”
Tributes to Lady Olivia
In a statement posted to Instagram, her husband John Easterling wrote, “We ask everyone to respect the privacy of the family at this very difficult time.”
Dame Olivia’s daughter Chloe Lattanzi paid tribute to her mother with a selection of images on Instagram.
The post included images of Ms Lattanzi as a baby, as well as more images showing the couple appearing to be interviewing together.
Stockard Channing, who played Pink Lady Betty Rizzo in the film, said in her own tribute that Dame Olivia is “the essence of summer.”
She said in a statement to US media outlet People: “I don’t know if I’ve known a nicer person.
“Olivia was the essence of summer – her sun, warmth and grace always come to mind when I think of her.”
She added: “I will miss her enormously.”
The cast and crew of Grease the Musical, currently playing at the Dominion Theater in London’s West End, also paid tribute to Dame Olivia.
Following Monday night’s performance, a statement said: “Olivia Newton-John is an icon who has inspired countless young artists around the world, not least our company Grease in the West End.
“We want to dedicate tonight’s performance and the rest of our run to Olivia’s memory and all that she represented.”
Actress Olivia Moore, who plays Sandy on the show, told the PA news agency finding out the news during the break and later revealing it to viewers was “surreal”.
Ms Moore said: “She is perfect.
“The way she played Sandy, the way she was Sandy, is perfection and I definitely take responsibility now and make sure I keep waving that flag.”
Other Hollywood stars and collaborators have paid tribute to Dame Olivia, including Kylie Minogue, Peter Andre, Dionne Warwick, James Gunn and Edgar Wright.
Who Was Dame Olivia Newton-John?
Dame Olivia Newton-John is best known for her role as Sandy in Grease.
One of the world’s best-selling albums of recorded music, the Grease soundtrack features Dame Olivia and Travolta’s two hit duets: Summer Nights and You’re The One That I Want.
The latter is also one of the best-selling singles of all time.
Olivia’s performance has been nominated for multiple awards including two Golden Globes and various other film awards.
In 1981 she was honored with a star on the Hollywood Walk of Fame.
Aside from her hit role in the film, Dame Olivia was also a multi-platinum artist, with two singles and two albums certified by the Recording Industry Association of America (RIAA).
The singer also represented Great Britain in the 1974 Eurovision Song Contest with the song “Long Live Love”. She came fourth in the competition held in Brighton, losing to Abba with her hit song Waterloo.
What had she said about her cancer battle?
Aside from her show business career, Dame Olivia became a prominent breast cancer activist after receiving the first of three cancer diagnoses in 1992.
After her initial battle with the disease, she had a partial mastectomy and reconstruction.
She remained cancer-free until a relapse in 2013, but announced that in September 2018 she had been diagnosed with cancer for the third time in three decades.
At the time, she told Australian news program Sunday Night that doctors had found a tumor in her lower back in 2017.
The singer said she treats the condition “naturally,” using cannabis oil made from marijuana her husband grows in California to ease the pain.
Her husband said in an Instagram post: “Olivia has been a symbol of triumph and hope for over 30 years for sharing her journey with breast cancer.
“Her healing inspiration and pioneering experience with plant medicines continues with the Olivia Newton-John Foundation Fund dedicated to research into plant medicines and cancer.”