American Idol

Adam Lambert's Most Memorable Songs

Relive his performances of "Mad World," "Whole Lotta Love," his medley with KISS at the finale and more

Updated: Friday May 22, 2009 | 02:00 PM EDT

May 20

With voting over, Adam aimed to have a good time on the stage – and he did, singing with rock legends KISS in a pyro-heavy medley performance. And even though Kris Allen took the title, Adam told PEOPLE, "That, to me, was winning."