German fashion model Heidi Klum become a mother for the second time on Tuesday. "We got a healthy little boy," the 32-year-old wrote on her Web site. The father of Klum's son is her husband, singer Seal. Klum already has an 18-months-old daughter, Leni, with her ex-boyfriend, Formula 1 manager Flavio Briatore. Klum and Briatore separated before she gave birth to her daughter and Seal took on the role of father.