The actress died at her California ranch on Monday.
Olivia Newton-John is being remembered. After the actress' husband, John Easterling, announced that she died at her California ranch on Monday morning, tributes poured in for the Grease star online. Newton-John was 73 at the time of her death, which came after a decades-long battle with breast cancer.
Newton-John's Grease co-star, John Travolta, shared a photo of the late actress to Instagram, along with a touching tribute to her.
"My dearest Olivia, you made all of our lives so much better. Your impact was incredible. I love you so much," he wrote. "We will see you down the road and we will all be together again. Yours from the moment I saw you and forever! Your Danny, your John!"
In addition to Travolta, Grease's Frankie Valli also paid tribute to Newton-John. "Verified I just learned of the passing of Olivia Newton-John. Of course, I am heartbroken to hear this news. Olivia was the sweetest person and one of my favorite performers. I'm so grateful I was able to share a stage with her in my career. My condolences to her family and friends. Rest in Peace Olivia...You will be missed 💔," he wrote.
On Instagram, Barbra Streisand wrote that Newton-John was "too young to leave this world."
"May she RIP," Streisand added in her post.
Andy Cohen shared a video of Newton-John singing on Instagram.
"Hopelessly Devoted to YOU, Olivia Newton John," Cohen captioned the clip of the actress singing the Grease song. "Rest In Peace, Queen. Thank you for the music."
"My heart is broken," Richard Marx tweeted alongside photos of himself and the late actress. "Rest now, sweet friend. You were as kind and loving a person as there’s ever been. I’ll miss you every day."
Fellow Australian Kylie Minogue paid tribute to Newton-John as well, saying, "Since I was ten years old, I have loved and looked up to Olivia Newton John. She was, and always will be, an inspiration to me in so many, many ways. My deepest condolences to her family and loved ones. x ONJ4EVER"
Singer Melissa Manchester also took time to publicly mourn Newton-John, saying, "Olivia Newton-John was a valiant warrior. I will remember her as kind, compassionate, loving and so talented. I was honored to have her sing my Christmas song, There’s Still My Joy , co-written by Beth Neilsen-Chapman and Matt Rollings.The world has lost a sweet source of light. May she now and forever rest in peace."
Actor and musician Rick Springfield took to Facebook to pay tribute to Newton-John, saying, "Sweet Olivia has gone home. She was a beautiful soul and I know of no one who didn’t love her or know what a great humanitarian she was. The world is out of balance when we lose these magnificent people. God speed Livvy. We will all meet again."
Kate Hudson shared a video of herself singing Newton-John's iconic hit from Grease, "Hopelessly Devoted to You." Alongside the touching video, she wrote, "There are a handful of people in my life who inspired me to lock myself in my bedroom and sing from the top of my lungs in the mirror." Hudson continued, "Thank you for sharing your light to the world as it moved and shaped little girls like me. May we all today sing for Olivia and celebrate her courageous years of fighting. Love and Light."
Newton-John's Grease co-star, Dinah Manof,f also shared her condolences, saying, "As many will tell you, Olivia Newton-John was one of the kindest, most generous souls ever to grace the earth, and I was one lucky Pink Lady to have spent time with her during the filming of Grease. She brought light and laughter wherever she went. My deepest condolences to her family and friends during their time of great loss."
Gayle King took to Instagram to share her memorial for Newton-John as well, writing, "We lost one of the greats today… deeply saddened by the loss of @therealonj..She was kind, talented & big fun! Olivia talked to us before the auction of those iconic leather pants… and becuz she’s such a good sport she tried them on for the first time in many years … did they fit ??? Swipe left …. Heaven has gained another angel .. thinking of her husband John and daughter Chloe. She was a beautiful human being inside and out."
In a joint post to Instagram, Nicole Kidman and Keith Urban said, "Livvie brought the most divine light into the world… so much love, joy, inspiration and kindness... and we will always be hopelessly devoted to you."
Keep reading to see more tributes to Newton-John.