Believe it or not, James Cameron's Titanic actually had an alternate ending. If you remember, at the end of the movie, Old Rose secretly throws the Heart of the Ocean necklace into the sea.

Remember this scene?

Bill Paxton's character is so sad, but figures it's a lost cause to go after it anyway.

But then, here's James Cameron's alternate ending.They try to stop Old Rose from throwing the necklace in the ocean.

You've got to watch the rest here: