Natalie started dating Benjamin after they met on the set of her film 'Black Swan,' where he worked as a choreographer. Even though they're hot and heavy, they've tried to stay private. He said, "Everybody’s asking us. We just want to keep things to ourselves."Benjamin served as choreographer and Natalie's on-screen dance partner. Natalie announced on December 27, 2010 that she is engaged to Benjamin and the they have a son Aleph.