The music video for Katy Perry's song "Last Friday Night (T.G.I.F.)" is set like an American high school film to appeal to film fans, especially of teen/high school movies. It features celebrities like Rebecca Black to further publicity. Katy Perry plays a character, Kathy Beth Terry, and does interviews in character. The video establishes settings and uses shots that recognize celebrities while also showing Katy singing. It relates scenes to song lyrics and has a modern high school theme with 80s-style costumes to appeal to audiences who grew up in that era.