Jon Bon Jovi may give love a bad name, but his face doesn't.
Here's the 22-year-old Jersey boy back in 1984 (left) -- and 25 years later, the 47-year-old version at an event in NYC on Thursday (right).
His love is like good medicine.
Jon Bon Jovi: Good Genes or Good Docs?!
10/25/2009 2:05 AM PDT BY TMZ STAFF
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