'Avatar' Queen Zoe Saldana Good Genes or Good Docs?!

Zoe Saldana's looks over the years make us believe in movie-magic IRL ... she's simply flawless in every form!

Here is a 31-year-old version of the sexy star leavin' her effortless beauty at the Premiere Of 20th Century Fox's "Avatar" back in 2009 (left). This was just the start of her Avatar days slays!

And, 16 years later, Zoe recently hit the "Avatar: Fire And Ash" Miami Special Screening, and correct us if we're wrong, but she looks the exact same?!

Oh, and if being drop-dead gorg wasn't enough to widen your eyes, you can't deny her rockin'-hot bod ... at 47 years old! Look alive and above for her hot shots!

The latest installment in the 'Avatar' franchise dropped in theaters this weekend  ... so while we wait for ya to go check it out, we've got her top looks through the years.

The key question here is, Good Genes or Good Docs?!