Natalie Portman expecting a baby boy

The 'Black Swan' actress -- whose first child is due this summer -- and fiance Benjamin Millepied are said to be "so excited" to be welcoming a baby son into the world.A source close to the couple told Life & Style magazine: "They've only told a very small group of family members and friends that they're expecting a son. They are so excited. Benjamin cannot wait to be a father."Natalie had a big