Article continues below advertisementHeidi Klum covered her b------ with beach shells and nothing else in one of her latest uploads. The supermodel, 52, who has been open about being naked around her kids, almost exposed her chest in a racy snapshot on Sunday, August 10.Article continues below advertisementHeidi Klum Has a Wardrobe MalfunctionSource: @heidiklum/InstagramHeidi Klum frequently posts naked photos.Klum held two shells on her b---- as she leaned against a rock in the ocean. She glanced down at her body, noticing an accidental nip slip on the right side.