A week after Natalie Portman
announced her engagement and pregnancy, the actress' Black Swan
co-star, Winona Ryder
, can't contain her excitement over the good news. "I'm so thrilled for her! Natalie's just a precious gem to me," Winona told In Touch
at the world premiere of The Dilemma
in Chicago on January 6. Natalie is expecting her first child with her choreographer beau, Benjamin Millepied
, whom she met on the set of her hit drama.