American Idol Mariah Carey denies lip-syncing during 'American Idol' finale broadcast 05/17/2013 Mariah Carey has denied she lip-synced during her performance on Thursday night's American Idol finale broadcast. Read More RELATED NEWS Mariah Carey to reportedly star in her own docu-reality series Former 'American Idol' in-house mentor Jimmy Iovine marries Liberty Ross Mariah Carey engaged to billionaire businessman James Packer after whirlwind romance TAGS: American Idol Mariah Carey
