Heidi Klum's Bikini Body Is the New Black 8/5/2010 8:15 AM PT "Project Runway" host and mother of four Heidi Klum turned a yacht into a catwalk by rockin' a bikini in Italy yesterday. The 37-year-old supermodel can stomach any competition. Share on Facebook Share on X More Heidi Klum Demi vs. Heidi: Who'd You Rather? The Supermodel Formerly Known as Heidi Klum Heidi Klum Hot Bodies Hot Mamas Stars In Heat Paparazzi Photo