For a second, it looked like Nicki Minaj and Mariah Carey had put their differences aside and decided to judge American Idol without any drama. We were wrong. On last night's episode, Nicki and Mariah had a disagreement regarding Kree Harrison's performance. After Mariah insisted on talking over Nicki during her critique, the "Super Bass" singer shot a "simmer down, sir" Mariah's way. Ouch! Watch it all ... Read More >>