It's been almost a year since it was announced that American Idol's Season 11 runner-up Jessica Sanchez would join Glee, and now the powerhouse diva's big moment has finally arrived.Sanchez will guest star in this Thursday's all-new episode, "Lights Out," as a student from a rival school named Frida Romero. The 17-year-old singer will also appear in the May 2 episode, as well as the May 9 season finale. Fox has released the first images of Sanchez's Glee guest spot, and no surprise, she's...
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