In an NBC primetime special with Matt Lauer, global superstar Mariah Carey does something she has never done before. For the first time, Carey performs in a one-of-a-kind special concert from the house she shares with husband Nick Cannon in Bel-Air, overlooking the Hollywood Hills. Carey sat down with Matt Lauer in a personal interview and opens up about her childhood, her family life, and her critically-acclaimed, autobiographical new album,... see more