Imagine if when Brad Pitt opened the box in Se7en, not only would he find his wife's dismembered head, but the head then sang. That's exactly what happened on The Late Late ShowThursday night when James Corden teamed up with Nathan Lane and Crazy Ex-Girlfriend star Rachel Bloomto create inappropriate musical adaptations of Se7en, The Exorcist and The Terminator.

Watch the bizarre sketch below.

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