Idina Menzel, Lea Michele Photo
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Photo Flash: First Look at GLEE's 'I Am Unicorn' Episode
FOX's hit television show GLEE made its season three return last night September 20, and next week's episode will mark the return of Tony winner Idina Menzel as Rachel's mom, Shelby Corcoran. Check out photos from next week's episode, titled 'I Am Unicorn,' below!