We love the magic of the cinema as much as the next person, but sometimes it's more fun to see what goes on when the cameras aren't rolling.
Candid shots on movie sets show how film stars behave when they're not in character, and it's like a magician revealing his secrets. You'll never see the films in the same way.
From "Frankenstein" to "The Dark Knight Rises," we've compiled a collection of photos that show how Hollywood's most famous monsters, gangsters, and lovers get silly in between shots. Scroll through the slideshow below to see eight decades of behind the scenes images from your favorite movies. Let us know what you think of the impromptu portraits in the comments.