Demi Lovato is only 21, but she’s already been sober for several years. She struggled with alcoholism, drug addiction, eating disorders, self harm, and bipolar disorder during her teen years while trying to portray a squeaky clean image for her fans. Everything came to a head, however, when she lashed out at a backup dancer, attacking her at an airport. At the time it seemed like the beginning of the end of her career, but Demi’s done an amazing job of turning everything around by being honest and embracing her weaknesses instead of hiding them. Now, she revealing just how bad her addictions got. This wasn’t just teen experimentation.