Hilary Duff turned the first of her two sold-out Madison Square Garden concerts into an early-2000s pop-rock crossover by bringing Good Charlotte onstage for a surprise performance of “The Anthem.” Rolling Stone reported that the collaboration took place during the first night of Duff’s two-show Madison Square Garden run. The Madison Square Garden performance gave fans who discovered both acts during that period a collaboration more than two decades later. Duff’s Second Madison Square Garden Show Is Set for August 6thThe August 5th performance was the first of two sold-out the lucky me tour concerts at Madison Square Garden. Her Madison Square Garden set also included earlier songs such as “So Yesterday,” “Come Clean” and “Anywhere But Here,” along with material from luck… or something.