You have to believe Olivia Newton-John is magic.
Here's the 29-year-old "Grease" star back in 1978 (left) -- and 32 years later, the 61-year-old version at an event in Toronto this week (right).
Olivia Newton-John: Good Genes or Good Docs?
9/19/2010 7:00 AM PDT BY Johnny Lopez
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