Olivia Newton-John

Olivia Newton-John was an Australian-British singer, actress, and philanthropist best known for her role as "Sandy" in the iconic musical film 'Grease.' With hits like 'Physical' and 'Hopelessly Devoted to You,' she enjoyed a highly successful music career. Newton-John was also a dedicated advocate for cancer research and environmental causes.

Newton-John guest presented one episode of Top of the Pops in September 1980.