Article continues below advertisementEmily Ratajkowski is having a hot girl summer! The model, 34, set Instagram on fire with a poolside photo showing her in a black, dangerously low-cut one-piece swimsuit that barely stayed in place. With her wet hair slicked back and a fierce gaze locked on the camera, Ratajkowski leaned into the sultry vibe - and her followers couldn't get enough.Article continues below advertisementIn a second hot snap, the My Body author strutted away from the camera, giving fans a peek at her sculpted backside.