Mariah Carey took the stage last night to perform her song "Obsessed" on America's Got Talent. Following an introduction by the show's host, her husband Nick Cannon, she took the spotlight to belt out the tune in a rendition that lacked her usual polish. The music seemed to slow and stop, and Mariah even looked a little befuddled at times. It clearly wasn't her best, but tell us what you think of Mariah's live performance — was it totally entertaining or a total trainwreck?
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