Things were heated in the halls of McKinley High as Rachel (Lea Michele) and Mercedes (Amber Riley) took part in the ultimate Glee showdown: a diva-off. On the February 15 episode, these two belters took a cue from the Broadway canon and battled it out with the musical lover’s quarrel from Rent, “Take Me or Leave Me.” Not only did the duet blow the doors off the New Directions rehearsal room, it gave Michele yet another chance to channel that most divine of stage divas—and her on-screen mom!—Idina Menzel. Now that we've heard Rachel, wail "Defying Gravity" from Wicked, a natural question pops up: Which of Menzel’s many show-stopping stage numbers should Rachel tackle next? Vote below!