Mariah Carey Teases Bruno Mars Collab It appears as if Mariah Carey and Bruno Mars make be teaming up for a collaboration. After Wanda Sykes tweeted out, “I need a @MariahCarey @BrunoMars collab. Periodt,” Mariah responded. She wrote, “Ima need you to do your stand up comedy pleeeeeese Ms. Sykes!!!! And Yaaaaaaaassss to the Bruno moment!!!! Come through Mr. Mars!!!!!” If Bruno and Mariah collab, do you think it will be a slow or fast song?