It may seem like celebrities have it all, but they age too–just like the rest of us.

We've used the Aging Booth App to see what celebs, including Jennifer Lawrence, Justin Bieber and Ben Affleck, might look like in 30 years.

Aaaannd while some stars age beautifully (we're looking at you, Jessica Alba!), others aren't looking so hot (sorry, Kim Kardashian!).

You be the ultimate judge of who's aging gracefully and who looks better as their youthful selves by clicking through the gallery above!