The entertainment industry has been left heartbroken following the death of Aussie icon Olivia Newton-John.
Her Grease co-star and good friend John Travolta led the celebrity tributes on Instagram, writing, "My dearest Olivia, you made all of our lives so much better. Your impact was incredible.
"I love you so much. We will see you down the road and we will all be together again. Yours from the first moment I saw you and forever! Your Danny, your John!"
While Olivia's daughter Chloe Lattanzi didn't share a message, she shared a series of photos of herself and her mother to her Instagram account, with her friends and followers sharing their support.
Hugh Jackman shared his heartbreak, remembering his friend, with an Instagram post.
"I’m devastated to hear the news that @therealonj has passed away," he wrote. "One of the great privileges of my life was getting to know her. Not only was she one of the most talented people I’ve known … she was one of the most open hearted, generous and funny.
"She was a one of kind spirit. It’s no secret Olivia was my first crush. I kissed her (poster) every night before bed. Her legacy will only grow stronger in the years to come. A fighter for healing from cancer that knows no bounds. I love you Olivia."
Delta Goodrem also shared her devastation, writing, "The whole world will feel this heartbreak today because the entire world felt Olivia’s unmatched light. A force for good. A force of nature. Strong and kind. my mentor, my friend, my inspiration, someone who always guided me… she was always there for me. Family to me.
"I don’t have all the words I would like to say today but I hope everyone will join in celebrating our beloved Olivia, her heart, soul, talent, courage, grace…I love you forever."
Barbra Streisand also took to Instagram, writing, "Too young to leave this world. May she RIP. 😢🙏🏻."
Rebel Wilson took to her Instagram Stories, writing, "You were a true icon and I absolutely adored you."
Bindi Irwin shared a photo of herself walking hand-in-hand with Olivia, writing, "One of the kindest and most wonderful souls the world has ever known."
David Campbell was heartbroken by the news, writing, "Oh no. This is devastating news."
Magda Szubanski tweeted, "Vale Olivia Newton-John What a sad sad day. Thank you for all you gave us Your beautiful soul will be so missed."
Former Prime Minister Kevin Rudd also shared a tribute, writing, "This is really sad news. Really sad. A great Australian woman. And a great advocate for global cancer research. Taken from her family far too early. Vale Olivia."
Singer Richard Marx took to Twitter to honour his friend, writing, "My heart is broken. Rest now, sweet friend. You were as kind and loving a person as there’s ever been. I’ll miss you every day. 💔."
George Takei shared his heartbreak on Twitter, adding, "We have lost a great, iconic artist in Olivia Newton John, gone too soon from us at age 73. I trust she is now in the great Xanadu beyond. Know that we are forever hopelessly devoted to you, Olivia. Rest in song and mirth."
Edgar Wright added, "Olivia Newton John so completely dominated the charts and Top Of The Pops when I was a kid, it felt like she WAS pop music. And yes, Xanadu is still a stone cold classic song. RIP x."
James Gunn shared his memories of Olivia, writing, "Really sad to hear about the passing of Olivia Newton-John. My first real crush as a kid. I loved Grease & her music & I coincidentally also bought & lived in for a while the wonderful home she built in Malibu. May she Rest In Peace."
Entertainment journalist Sam Rubin wrote, "My first crush and everyone else’s too. I absolutely loved Olivia Newton John. She appeared on our program many times... and in real life she was even better. A heartbreak here. A deeply courageous woman who was so truly admired the world over."
Gabrielle Union shared she was a huge fan of Olivia's, writing, "Grease is my #1 movie of all time and made me a lifelong Olivia Newton John fan. Me and my sister watched Xanadu more times than I could count. Sending so much love and prayers to a real gift of a woman and talent."
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