Ciara expecting a baby boy

Singer Ciara

and her husband, American football player

Russell Wilson

, are set to become parents of a boy. The couple, who is expecting their second child, revealed the gender of the baby on Tuesday on Instagram.

Ciara shared a

video

in which she and Russell let off smoke cannons filled with blue powder.

They were joined by their two-year-old daughter

Sienna

and the singer's five-year-old son Future Zahir whom she had her ex-partner, rapper Future.

"Gender Reveal! What's it going to be @DangeRussWilson?" Ciara captioned the video.

Ciara, who tied the knot with Russell in 2016, announced her pregnancy in January.