Katy Perry wouldn't consider participating in a K-pop collab unless it was part of a movement. She considers artists jumping on these K-pop songs a move to gain streams.  "I would love to do it if the song is amazing, if it feels authentic. I don't want to be part of a trend, I want to be part of a movement and a part of something authentic. I don't need to jump on anything... to be completely honest I feel like some of that can be just people trying to make numbers, and I'm not here t