You know how in health class your teacher would try to tell you that party culture is not as pervasive as society would have you think? There might be some truth to that. It would appear that a lot of your faves have sworn off the drank, for a multitude of reasons. The practice of abstaining from alcohol is known as teetotalism, and people who subscribe to this are known as teetotals. Not drinking has many great byproducts, including remembering your evening, increased quality of life, and, oh yeah, not being hungover! Are you a teetotal? Well, you're in good company. Check out these 15 celebs who don't booze — some of them may surprise you!