Benjamin Millepied and Natalie Portman

It's a boy for Natalie Portman and fiancé Benjamin Millepied,People reports.

In December, the Oscar winner, 30, announced she was engaged to Millepied and expecting a child with him. The two met on the set of Black Swan, for which he served as a choreographer and as one of Portman's dancing partners in the film.

Natalie Portman engaged, expecting

She won the Academy Award for Best Actress in February for her performance in the ballerina drama.

This is Portman's first child.