Mariah Carey has slammed her estranged husband Nick Cannon calling him a "motherf***er" adding that she knows that he cheated on her.
Carey, who was recently in Tokyo, crooned Billie Holiday's 'Don't Explain', a song about a cheating lover, TMZ.com reported.
The 44-year-old singer changed the lyrics of the song and crooned, "And I know you cheat/Right or wrong, don't matter" to 'I know you cheated motherf***er'.