Part of the celebrity job description is keeping up with your appearance, but no amount of money can stop the aging process in its tracks. Whereas many A-listers have been blessed with unnaturally good genes and gracefully accept new wrinkles and grays that may spring up, others have not been so fortunate.

Find out what celebs don't look their age, and not in a good way in our slideshow below.

While some of these cases are due to poor lifestyle choices such as excessive drug and alcohol use and too much plastic surgery, others seem to be simply unlucky.

Click below to see celebs who really got hit hard by father time, some of these I couldn't even recognize!