The video is famous for its "pop culture free-for-all" of guests:
The music video, directed by Marc Klasfeld, is an 8-minute cinematic tribute to 1980s teen films like Sixteen Candles . Perry introduced an alter-ego, , a brace-faced nerd whose house party descends into legendary chaos. Iconic Cameo List
: Perry and co-writer Bonnie McKee wrote the song after a wild night in Santa Barbara at a venue called Wildcat.
: Perry likened the track to her own version of the Black Eyed Peas' "I Gotta Feeling". 🎬 The "Kathy Beth Terry" Phenomenon
Despite its polished production, the song is an "aural documentary" of Perry’s actual life.