The realm of celebrities is known for its fragility. One moment, you could be soaring high; the next, you might find yourself in a dire situation. The individuals listed here have ruined or significantly damaged their careers in various terrible ways. Some have committed serious crimes, while others have made embarrassing mistakes. A few have even exposed their dark and discriminatory beliefs. Prepare yourselves, as this list of celebrities who brought about the downfall of their careers overnight is not for the faint-hearted.