United Kingdom, Jan. 4 -- Charles Melton is set to become a dad.

The former Riverdale star - who is best known for his role as Reggie Mantle in the hit CW series - and his partner Camille Summer-Valli are set to welcome their first child together.

The 35-year-old actor's artist girlfriend took to Instagram to share a series of images showcasing her blossoming baby bump, including one of the father-to-be kissing her belly.

The carousel, posted on Saturday (04.01.26), was captioned: "making a lil family. (sic)"

Charles' Warfare co-star Michael Gandolfini commented: "Mom and dad!!! Love you both so much."

The pair have kept their relationship out of the spotlight.

However, DeuxMoi received a tip that Camille was pregnant, telling the g...