Watch: Cardi B Shuts Down Rumor About Her and Stefon Diggs' Baby NameCardi B's daughter Blossom is in fact the commander and leader of the home. Indeed, the Grammy winner's 16-month-old daughter-whom she shares with estranged husband Offset-proved that she takes her big sister duties seriously. In a Feb. 2 Instagram Story shared by Cardi, Blossom giggles and looks at the camera while assisting her little brother-who Cardi welcomed in November with boyfriend Stefon Diggs-burp. Doting over their bond and Blossom's help, Cardi wrote over the video, "She love burping him...she think he her baby.