20 Celebs Who Went Crazy Because Of Their Fame

6. Demi Lovato

Demi Lovato was a fast-rising television and music star with her own show, Sonny with a Chance and successful music career. However, while on tour her friends and family staged an intervention and checked her into rehab. Demi has since spoke up about the mental problems she was having and how it was only made worse due to her fame. She resolved to drop out of acting and focus solely on her music.