What would you say is the worst movie you have ever watched?

It's not too often I watch a movie that I can say I wasted my time on but I once watched a movie that I never thought would be a waste of time due to who was in it. Instead of being disappointed and wasting 2 hours of my life watching the movie which made it the worst movie I have watched to date.

The movie was Bad Lieutenant: Port of Call New Orleans. The movie starred Nicolas Cage and that was what pushed me to watch the movie but I was very much disappointed by it instead the movie was really repetitive and not really interesting.

What would you say is the worst movie you have ever seen?