"My favorite time is really, really early, when (Leni) gets up," Grammy winner Seal, 42, told Australia's Daily Telegraph of his 1-year-old stepdaughter (in New York City in June). "I give her a bottle, we go to the computer and start working." Wife Heidi Klum – who's expecting their first child together in August – adores it: "I love him as a father. He does everything. When people ask me, 'Does he change the diapers?' I'm like, 'Yeah!' "