Olivia Newton-John was best known for her acting role as Sandy in "Grease" and iconic '80s hit "Physical."
Olivia Newton-John 'didn't jump at the offer' to be in Grease
BANG Showbiz
Olivia Newton-John "didn't jump at the offer" to do 'Grease' and was championed into the role of Sandy by John Travlota.
