[BG] Mariah Carey joins 'American Idol' as a judge ...where is J.Lo???

Mariah Carey has officially joined 'American Idol' as season 12 judge, replacing Jennifer Lopez who quit last week. The singer was unveiled yesterday by Fox Broadcasting Company as the new judge

Entertainment Weekly reported that Mariah will earn $17 million, $2 million more than Jennifer Lopez earned. Chooooiiiii!!! Follow @Buzz_ent