Summerfest 2025 Lineup Expands with Def Leppard

The 2025 Milwaukee Summerfest, one of America's largest music festivals, will feature over 600 performances spanning three weekends from June 19 to July 5 at the Maier Festival Park. Headliners include Megan Thee Stallion, The Lumineers, Hozier, The Killers, and Def Leppard, among others. The Lumineers will perform on the final night with special guest Hippo Campus, and tickets for their performance go on sale February 21. The festival will showcase a diverse array of artists across 12 stages, including acts like Billy Corgan & The Machines of God, BABYMETAL, and Lindsey Stirling. General admission tickets are available for $30, with various passes offering extended access. The full lineup, which continues to expand, will be officially announced by May.