Relive performances by the tattooed Irish singer
Updated: Thursday Apr 24, 2008 | 10:00 AM EDT
More from PEOPLE
See More News
Relive Allen's performances of Michael Jackson, Donna Summer, Kanye West and more
8 of 10
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."
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.
In partnership with AOL