Back in the day, everyone wanted to work with Olivia Newton-John. She was an absolute stunner and one hell of a singer and performer. She has also aged so beautifully over the years. Therefore, we can't help but look back on all the photos and think about how great she looks! Of course, in addition to all of her wonderful accomplishments. Do you remember any of these gorgeous photos of Olivia Newton-John? Let us know which ones are your favorites! Olivia Newton-John throughout the years Olivia Newton-John \/ NICK UT, AP Every Grease fan knows where this is from! Newton-John dresses as Sandy Olsson in 1977 for her role in the hit musical-movie. Olivia Newton-John and Stockard Channing \/ NICK UT, AP Newton-John poses with co-star Stockard Channing, who plays the role of Betty Rizzo in Grease. Olivia Newton-John \/ REED SAXON, AP Just a few years later in 1982, Newton-John poses in a red turtle-neck and an iconic '80s hairdo. Olivia Newton-John \/ JULIE PARKES, AP The actress and singer poses for a casual portrait during an interview in 1990. Olivia Newton-John \/ DAVID HUNTER, AP The performer doing what she does best! Newton-John performs on July 31st, 1999, in Reno, Nev. Read onto the NEXT page for more stunning photos of Olivia Newton-John... Olivia Newton-John and Joe Nichols \/ ROBERT DEUTSCH, USA TODAY Pictured above, Olivia Newton-John and country singer Joe Nichols present the Duo of the Year award at the 39th annual CMA Awards. Olivia Newton-John and husband John Easterling \/ JEFF CHRISTENSEN, AP Newton-John and her husband, John Easterling, pose for a photo in New York the year 2009. Olivia Newton-John \/ OWEN SWEENEY, INVISION VIA AP The legendary singer performs at the American Music Theatre in Lancaster, Pa., on Feb. 22nd, 2013. Olivia Newton-John \/ EVAN AGOSTINI, INVISION VIA AP Newton-John discusses "Liv On." It's an album with "songs of compassion and hope" she collaborated on with Beth Nielsen Chapman and Amy Sky. This photo is in 2016. Olivia Newton-John \/ ESTEBAN FELIX, AP She performs during the Vi\u00f1a del Mar International Song Festival on Feb. 23rd, 2017. Olivia Newton-John \/ Naomi Rahim\/WireImage\/Getty Images Newton-John during the annual Wellness Walk and Research Runon September 16th, 2018, in Melbourne, Australia. In conclusion, we love Olivia Newton-John and wish her the best! See what she has to say about her cancer battle and how she's doing.