It will be Hawke’s fourth, after Maya and Levon, whose mother is Uma Thurman, and Clementine, who was born in 2008. “They don’t know the gender,” a source tells the celeb weekly. “But Clementine really wants a little brother!” Ooh, girl. Just you wait until he starts stealing your cigs and trying to hook up with all your friends when you’re 18 and he’s 15, and you’ll be rethinking that position. [Us]