Heidi Klum has no problem with nudity. Can't get enough of Heidi? The best of Sports Illustrated Swimsuit delivered right to your inbox. Happy Throwback Thursday, y'all! Sports Illustrated Swimsuit legend Heidi Klum has never been one to shy away from armar.info in what has to be the greatest #TBT post we've ever seen, the supermodel and TV host is proving that she knows what it takes to own Instagram. Sports Illustrated Swimsuit Models: Then and Now How are Elle, Christie, Kathy and more faring (and looking HEIDI KLUM Klum was already on the.