Article continues below advertisementHailey Bieber is one hot momma!The 28-year-old model turned up the heat on Instagram after sharing a series of sizzling snapshots that showed off her sculpted figure.Article continues below advertisementSource: @haileybieber/InstagramHailey Bieber showed off her figure in new Instagram photos.Article continues below advertisementIn one standout pic, the Rhode founder rocked leopard-print bikini bottoms and a cropped black tank, putting her famous butt dimples on full display. Her look was completed with loose waves and soft, glowing makeup.