Relive performances from Michael Johns, Carly Smithson, Brooke White and more
Updated: Wednesday May 21, 2008 | 10:45 AM EDT
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Relive Allen's performances of Michael Jackson, Donna Summer, Kanye West and more
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Singing "I Hate Myself for Loving You" by Joan Jett and the Blackhearts on '80s night, the rock 'n' roll nurse pleased Simon Cowell, who said it was one of his "favorite performances of the entire competition."
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