Glastonberry Festival 2025 is already generating Buzz about potential Headliners Festival organizer Emily Eevees is in talks with artists for next year's lineup confirming a traditional break in 2026 speculation surrounds a possible reunion of the Gallagher brothers known for their past headline slot and recent performances Taylor Swift whose 2020 plans were thwarted by covid might return after concluding her tour in late 2024 Harry Styles yet to headline despite ongoing popularity could make his debut with a new album on the horizon British musicians Sam Fender and artist Ray Riding High on recent successes are also contenders Madonna and Rihanna remain intriguing possibilities with Past rumors and recent developments suggesting potential appearances UK rap led by stormy and Dave continu to thrive at the festival while electronic artist Fred again seeks to revive dance music's presence on the main stage backed by recent acclaimed performances