The music video for Eminem's "Stan" tells the story of an obsessed fan named Stan who loses touch with reality in his fandom of Eminem. The video uses dark imagery and lighting to portray Stan's declining mental state. It culminates in Stan killing himself, his pregnant girlfriend, and their unborn child after not getting a response from Eminem to his numerous letters. In contrast, Katy Perry's "Last Friday Night" depicts a geeky teenage girl who transforms her look to fit in at a house party, only to regret it when she is harassed by the popular guy. The video has a lighter tone and uses stylistic elements more common to pop music videos like costumes and scenes representing