The monumental age of 30 is the time for a lot of life-changing events. As you reflect on your life, take a look at your closet, because it may be time for some a healthy amount of wardrobe adjustments. As a 30-year-old, you've got to dress the part - this means getting rid of your juvenile clothing pieces and switching them out for something that will cover your bellybutton. We know, it's tough to part with some of your favorites, but it has to be done. Not sure what's acceptable and what's not? Take a look at this list of some of the things you need to stop wearing past the age of 30.