Heidi Klum will host “Sports Illustrated Swimsuit: 50 Years of Beautiful,” a two-hour TV special celebrating the 50th anniversary of Sports Illustrated’s swimsuit franchise, with feature appearances from fellow swimsuit icons including Tyra Banks, Christie Brinkley, Kathy Ireland, Marisa Miller and Kate Upton. It airs Monday, February 3 (9-10 p.m. ET) on NBC