Bonnie McKee, Katy Perry's frequent collaborator and a co-writer on Perry hits like "Last Friday Night," "Teenage Dream" and "California Gurls," borrows a page from Perry's playbook by kissing a girl in the video for "Sleepwalker." The same-sex make-out session comes during a zombie attack, giving "Sleepwalker" a vibe that combines the video for "Thriller," b-roll from "The Walking Dead" and a touch of Stephen King's "Sleepwalkers." Perfect for Halloween! Watch below.
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