Getting Brutal with the Lip Sync

This is the most disturbing -- and possibly most brilliant -- lip sync performance of "I Will Always Love You" that we've ever seen and we figure if we have to have this sucker running around causing havoc in our brains, you should, too:

It's a little slow at first, but trust us, it gets GOOD (read: terrifying) and the ending is especially worth watching.

Previously > Need To Know: Marina and the Diamonds