(AP Photo/Matt Sayles, File) NEW YORK (AP)—Natalie Portman has a baby boy to go along with her Oscar. The actress gave birth to her first child with fiance Benjamin Millepied, the choreographer of “Black Swan,” People magazine reported. The magazine gave no details. A publicist for Portman did not return a message seeking comment Tuesday. The 30-year-old actress and Millepied, a well-regarded ballet dancer and choreographer, met during the making of “Black Swan,” Darren Aronofsky’s psychological thriller that stars Portman as a ballet dancer. Portman won the best actress Academy Award in February for her performance in the movie.