STING GOOD GENES OR GOOD DOCS?

10/4/2015 12:10 AM PDT

Every little thing Sting does is magic.

Here's a 33-year-old version of the Police frontman and sex symbol looking good in London back in 1984 (left) and 31 years later ... a much grizzlier version of the solo singer -- who celebrated his 64th birthday earlier this week -- at an event in NYC last month (right).

I'll be watching you ... not age!

The question is ...