Emily Blunt -- Good Genes Or Good Docs?!

Emily Blunt's looks over the years are bluntly beautiful!

Here is a 23-year-old version of the brunette beauty at the Hollywood Life's Breakthrough of the Year Awards where she won the "Star Of The Year" award for her iconic role in "Devil Wears Prada" back in 2006 (left).

And, 18 years later Blunt has been delivering stellar looks and turning heads during award show season ... and most recently was all smiles and looked gorgeous at an event earlier this month (right).

Yes, she just celebrated turning 41, and she continues to stun!

But, the question here is ...