United Kingdom, Oct. 22 -- Charlie Puth has been told "not to reveal the gender" of his baby.

The 33-year-old singer and his wife Brooke recently revealed they are expecting their first child together, but the Marvin Gaye hitmaker was warned to keep details under wraps.

Reflecting on the exciting news on The Tonight Show, he told Jimmy Fallon: "We're expecting a baby in March.

"I'm gonna be a dad... I was told not to reveal the gender."

Charlie did admit he is hoping their baby "likes music", joking it's the one thing he's able to do.

He quipped: "I hope baby likes music, because it's the only thing I'm good at."

The musician revealed he will be taking the lead from his own mother, who made sure he was introducted to "a wide array o...