Elton John -- Good Genes or Good Docs?!

Elton John has some legendary looks!

Here is a 31-year-old version of the singer and songwriter, who has had three albums inducted into the Grammy Hall Of Fame, looking dapper at the premiere party for the film "Grease" in New York City back in 1978 (left) and 41 years later ... The now 72-year-old award-winning artist -- Who is the father of two sons along with his partner David Furnish -- was dressed to the nines at the premiere of his music biopic "Rocketman", starring "Kingsman" actor Taron Egerton as Elton John, in London, England earlier this week (right).

These looks will be around for a long long time!

The question is ...