Mariah Carey lip-synch: The singer is accused of lip-synching during her most recent performance.
Fans and critics have on Twitter been questioning whether Carey lip-synched or actually sang songs during her performance on "Americal Idol" on May 16.
Carey, a current judge on the show, was competing with Jennifer Lopez, a former judge.
Reactions on Twitter included:
-Enty Lawyer: Mariah Carey lip synched on a show where she judged people who are not allowed to lip synch. So disappointing.
-Roger Catlin: After her finale performance on "Idol," wondering why as judge Mariah Carey hadn't advised contestants prerecord songs and just lip synch.
-Shelby Lane: i love you mariah carey but why lip synch on a show you judge live singers on