Natalie Portman 30 and her fiance Benjamin Millepied welcome the arrival of a baby boy. The Oscar winner has given birth to a healthy baby boy and is said to be delighted to be a new mother. Portman is due to marry her fiance, Benjamin Millepied later on this year. The celebrity couple met on the set of the film Black Swan and Portman later picked up the Academy Award for Best Actress in this film. The couple have announced that they are over the moon with the news.