Cardi B turned up the heat as she promoted her upcoming single, “AH HA,” with a daring new Instagram post. The rapper posed on a wooden staircase wearing a tiny string bikini that barely stayed in place, giving fans a dramatic preview ahead of the song’s release. Cardi B almost pops out of skimpy string bikini while spreading her legs on the stairsCheck out Cardi B’s bikini look here:The two-piece featured the colors and emblem of the Dominican Republic’s flag. Cardi B completed the bold look with layered diamond jewelry, long straight black hair, and her signature glamorous makeup. Cardi B paired the image with a short but exciting caption that informed fans of the single’s release on Friday.