NEW YORK: Jennifer Lopez and her husband Marc Anthony are already planning careers for their baby twins - they want their son to be an American football star.

The singer/actress - who celebrates her 40th birthday on Friday (24Jul09) - gave birth to Max and Emme in February last year (08) and the proud parents are already looking to the future and considering possible professions for the tots.

Anthony - who recently bought shares in American football team the Miami Dolphins - reveals their son is already showing athletic promise and hopes he will grow up to be a sports star.

He tells America's OK magazine, "There is no question that my son Max is going to be a linebacker (football position) of some sort!"