An iPhone app called Drinking Time Machine gives hardcore drinkers a sneak peak at their bloated faces 10 years down the road. It's designed to scare boozehounds into curbing their consumption, but it's more fun to use it to make celebrities look like crap, as the British tabloids have discovered. See what it did to Madonna and Angelina Jolie:
Would you trade a life of partying for a lifetime of good skin? What's more important, longevity or levity? Let us know in the comment section below.