Question: who sings rotten to the core from descendants
Answer: The song was performed in its original show - tune version in the film by the main cast -- Dove Cameron , Cameron Boyce , Booboo Stewart and Sofia Carson -- in their vocal roles as Mal ( daughter of Maleficent ) , Carlos ( son of Cruella de Vil ) , Jay ( son of Jafar ) and Evie ( daughter of The Evil Queen ) .