Overview
- Odd Atelier confirmed Jennie’s main-stage slot for July 9, the second day of the four-day festival.
- Mad Cool 2026 runs July 8–11 at Iberdrola Music in Villaverde, Madrid.
- Organisers announced a roster of over 70 acts, including Foo Fighters, Florence + the Machine, Lorde, Twenty One Pilots and Halsey.
- Jennie is the only K-pop artist invited to the 2026 edition, according to her agency’s announcement.
- Her festival appearance comes as BLACKPINK’s DEADLINE World Tour continues into early 2026, with YG Entertainment saying the group’s new full-length album is in its final stage of preparation.