Mariah Carey has hit back at Eminem by dressing up as the rapper in her new music video.

She also lashes out at the hip-hop star in the lyrics for 'Obsessed', the first single off her upcoming album 'Memoirs of an Imperfect Angel'.

The feud began when Eminem claimed he has bedded Carey during their brief romance on his song 'Bagpipes from Baghdad'.

Carey has now used her own music to get back at Eminem, and sings, "You're delusional, boy, you're losing your mind... It must be weed, it must be the E... Why are you so obsessed with me? Lying that you're sexing me... You're a mum and pop, I'm a corporation... I'm a press conference, you're a conversation."

Carey also trades in her usual feminine look to appear as a man with a striking resemblance to Eminem, wearing an oversized sweatshirt, baseball cap and baggy pants for the single's video, which was filmed in New York on Monday.

Last month, the singer's husband Nick Cannon blasted Eminem for disrespecting Carey, insisting their relationship was never serious: "(He is) still obsessed with my wife, the same female that wouldn't let him get to second base from eight years ago."