Is there an Urban Jr. on the way?

Nicole Kidman and her husband Keith Urban are working hard to have another child. According to reports, the Aussie actress and the country music star are determined to give their daughter Sunday Rose a little brother or a sister. Nicole, 42, was recently seen outside a Los Angeles fertility center and sources have told American tabloid the National Enquirer she’s doing everything she can to get pregnant as soon as possible. The source added that Kidman is “exploring alternative options because she wants to be pregnant by her 43rd birthday in June.