Lenny Kravitz: Good Genes or Good Docs?!
Lenny Kravitz Good Genes or Good Docs?
Lenny Kravitz may party like a rock star ... but you'd never know it.
Here's the 25-year-old singer back in 1989 (left) -- and 20 years later, the 45-year-old version in London last month (right).
Are you gonna go his way?