Washington DC, Aug. 29 -- Singer Mario announced that he and his girlfriend, Esmeralda Rios, are expecting their first baby together.

"It's a whole universe in there!" Mario captioned the photo on his Instagram Stories, which sees him placing his hand on Esmeralda's baby bump. "I can't wait," E! News reported.

"BDAY VIBES #virgoseason," he wrote on the photo dump, adding a video of him, "Thank you God! WE LOCKED IN."

Though Mario has been private about his love life, he's offered a brief glimpse into his romance with Esmeralda on social media.

"We don't just go everywhere, but it was one of them ones," he explained during his appearance on The Morning Hustle last November. "I had to take her. I wasn't going to pop up over there, I'm b...