Katy Perry Goes Extraterrestrial on American Idol

With an assist from Kanye West, Katy Perry brought her futuristic new single "E.T." to American Idol last night - skin-tight LED-laden bodysuit and all.Performing her new hit song, the singer warbled her way through the pop song as she was surrounded by dancers dressed in alien-inspired costumes.Much like the "E.T." music video, Katy embodied the outer-space theme, carried onto the stage by her