Mariah Carey Sings to Babies in ‘20/20’ Special [Sneak Peek]

Mariah Carey and Nick Cannon sit down for their first interview together since the birth of their babies. Barbara Walters visited the couple at their New York crib to discuss marriage and becoming parents. The pop diva, who is looking in great shape after her pregnancy, is asked whether she trusts her husband. And for the first time, they introduce their twins, Monroe and Moroccan. Mariah sings her hit “We Belong Together” to one of them while giving a tour of their home. The interview airs Friday at 10 p.m. EST on ABC’s “20/20.”