Mariah Carey and Nick Cannon introduce Barbara Walters to their six-month old twins. (ABC News)

Six months after their twins were born, music superstar Mariah Carey and actor-comedian Nick Cannon are ready to show “dem babies” off to the world. Carey and Cannon, married since 2008, introduced the babies to Barbara Walters in an exclusive interview airing on “20/20? Friday at 10 p.m. ET.

The couple shared intimate details about their marriage, their struggle to conceive, Carey’s high-risk pregnancy and how they’re handling being parents to son Moroccan and daughter Monroe, nicknamed Roc and Roe. The babies were born on April 30, the day of Carey and Cannon’s third wedding anniversary.

“My wife just gave me the most incredible anniversary gift ever in life,” Cannon tweeted that day. “I won’t ever be able to top this!”

Watch a preview below: