Fame is a fickle mistress. Celebrities who seem on top of the world one day can be brought back down with the rest of us the very next. It can happen several different ways. Some actively choose to leave the spotlight and fame. Some become embroiled in scandals that completely wreck their careers. And others still, like the ones on this list, have the unfortunate luck of starring in very, very, VERY bad movies. These five actors and actresses once seemed destined for a lifetime in the spotlight and instead were derailed by box office bombs, legendary flops, and truly cringeworthy films.