Lainey Wilson Summerfest 2025 Lineup. Get summerfest 2025 tickets on jambase. Discover the lineup, dates, venue, and more.
She will perform on thursday, june 26 at the american family insurance amphitheater. Lainey wilson was the first amphitheater headliner confirmed for 2025 — the country superstar’s show is june 26 — with the avett brothers and cake booked for the bmo.