Oh what strange and wonderful thing the navel is, that adorable little button that collects human lint that smells kind of funny. Belly buttons are like snowflakes—no two are alike. I personally have an innie, but have always admired the beauty the far rarer outie. Imagine how liberating it must be to be able to keep your belly button clean at all times! A joy! Click through to see some celebs with ogle-worthy outies.