Singer and actress Olivia Newton-John passed away yesterday at the age of 73. The beloved Australian star had been battling cancer on & off since the early 1990s, but her legacy will continue to brighten the lives & imaginations of audiences forever with her memorable roles as Sandy in Grease & Kira in Xanadu, along with her 26 studio albums. Aside from Olivia’s remarkable stage & big screen talents, she remains one of fashion’s most underrated & timeless icons, especially after such a long career that endured through many decades of fashion risks, frills, & hairstyles!

Whether Olivia was channeling the mod looks of the 60s, bell-bottoms & peasant dresses of the 70s, pastels & sparkle in the 80s, or tailored menswear inspiration, Olivia’s style has inspired even today’s trendsetters & entertainers. Many of Olivia’s past outfits are similar what we see now on stars like Gigi Hadid, Hailee Steinfeld, Drew Barrymore, & Keira Knightley! Take a look at the gallery below at some of Olivia’s most stylish ensembles from the red carpet, photo shoots, film stills, performances, & more:

And… who could ever forget Sandy Olsson’s blonde bob & sweet voice that transforms into Danny Zuko’s bombshell dream in Grease? What about the suggestive, 80s chart-topper “Physical” from the four-time Grammy winner? Enjoy the videos below to relive these classic tunes that cemented Olivia’s superstar status.

Which is your favorite Olivia Newton-John song? How old were you when you first saw Grease? For more celebrity posts, check out: Selena Gomez’s orange sequin LaPointe outfit in Italy, Stranger Things‘ Sadie Sink on the cover of Fashion magazine, a fashion flashback of actress Maya Angelou’s best red carpet style moments, & Beyoncé’s gorgeous images for her Renaissance album. Happy Styling!