Sandra Bullock Good Genes Or Good Docs?

12/11/2016 12:10 AM PST

Try not to be blindsided by Sandra Bullock’s beauty! 

Here’s a 31-year-old version of the "While You Were Sleeping" star at an event in L.A. back in 1995 (left) and 21 years later ... the Oscar-winning actress -- who’s currently filming "Ocean’s Eight" -- on set earlier this week (right).

Miss Congeniality!

The question is ...