Grease fans gobsmacked to discover John Travolta’s sister starred in his iconic movie

GREASE fans have been left gobsmacked after discovering John Travolta’s sister starred in his iconic movie more than 40 years after it was released. 

Thanks to Grease, the world was gifted the iconic duo of John Travolta and Olivia Newton-John. Although Australia star Olivia died at age 73 in 2022 from breast cancer, the enduring legacy of Grease lives on.