Shauna Robertson, Edward Norton's fiancee, is to give birth to their first child, a source close to the Hollywood actor told UsMagazine.com. "Ed is really excited for fatherhood. He helped pick out a stroller for the baby," the insider said, adding the child is due to be born "any day now." Whether the pair expect a son or daughter was not reported. Norton, 43, is known for his movies "Moonrise Kingdom," "The Incredible Hulk," "American History X" and "Primal Fear." Robertson is a Canadian film producer. The couple got engaged in 2011 after six years of dating, UsMagazine.com said.