Photo ExclusivePatrick Dempsey Debuts His Twins!

PARTY OF FIVE

With the little ones fast asleep, Dempsey, makeup artist wife Jillian and their daughter Talula, 5, share a happy moment at home in Los Angeles. The new dad admits that when the couple first learned they were expecting not one, but two new additions, "I was a little overwhelmed." But looking ahead, the racing enthusiast is already revved up to take the boys out for their first spin. Racing "is such a family sport," he says.

For more on Patrick Dempsey's twins, pick up the latest issue of PEOPLE, on newsstands Friday.