American Pop or K-Pop?

My co-organizer and I canít decide which artist to choose. Weíre planning this dream tours for singles event. Itís an event that will be attended by people who are mostly in their mid 20s. So we decided to pick out pop songs for the party. I said we should go for upbeat or groovy songs like those from Fifth Harmony, Little Mix, etc. but my co-worker insisted on K-Pop songs. Weíve been arguing over this for days now. THE ATTENDEES ARENíT EVEN KOREAN! I already pointed that out to her, but she just wonít listen. We already need to present our final plan to our boss next week. Can you help us settle this please!!!