Alesso & Katy Perry When Im Gone (behind The Scenes) -

: Alesso revealed that the track was in progress for over a year, with Perry taking extra time for finalization and rewriting after the birth of her daughter.

: Katy Perry was heavily involved in every detail, even helping to style dancers on set. Her fashion was inspired by early 2000s rave and Y2K aesthetics, specifically citing a Jean Paul Gaultier corset throwback. Alesso & Katy Perry When Im Gone (Behind The Scenes)

Key highlights from the behind-the-scenes footage and interviews include: : Alesso revealed that the track was in

Watch the official behind-the-scenes footage to see the production process at the brewery and the choreography rehearsals: Alesso & Katy Perry When Im Gone (Behind The Scenes)

: The video prominently features "Nugget," a Boston Dynamics robot dog (model name "Spot"), which Katy Perry named after her actual dog.

: This marked Perry's first "full-blown choreography" video. She worked with choreographer Sean Bankhead to master complex dance routines for the high-drama track.