Demi Lovato is an american singer, that passed through some problems in her childhood. She suffered bullying at school, because of that, she developed an eating disorder, since they called her fat. Bulimia was also part of her life in that time. Some years later, the way she found to discount all the sadness about herself was self mutilation. When her family and fans discovered about her problem, she decided to go to a treatment center for women with problems, the diagnosis was "bipolar". After all this things she separated a time for herself, and took care of it. Today she"s a totaly normal person, happy with herself, and working more than ever. She believed in herself, and with the help of her fans and family she is better now."