BET Awards: Mariah Carey's '#Beautiful' Performance Fuels Lip-Sync Speculation

Mariah Carey sang "#Beautiful," beautifully on the BET Awards Sunday. Or did she?

Conflict is a-brewin' about whether the former "American Idol" judge actually sang her new hit or just moved her mouth to the words … again.

Also read: Mariah Carey Suffers Wardrobe Malfunction During 'Good Morning America' Appearance



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