Relive performances by the tattooed Irish singer
Updated: Thursday Apr 24, 2008 | 10:00 AM EDT
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Relive Allen's performances of Michael Jackson, Donna Summer, Kanye West and more
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Carly's powerful voice and wide range made the Mariah Carey song a perfect fit for her. "She's more than doing it justice," the pop diva said of her performance. "She's doing an amazing job."
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