May 17, 2010 04:33 PM

Stewart Cook/Peter Brooker/Rex

Baby makes three!

Amy Adams and fiancé Darren Le Gallo welcomed daughter Aviana Olea Le Gallo on Saturday, May 15 in Los Angeles, her rep tells PEOPLE exclusively.

Aviana weighed in at 7 lbs.

“Mom and baby are home and doing great,” says Adams’s rep. “Everyone’s healthy and happy.”

Adams, 35, and Le Gallo announced the pregnancy in December.

RELATED GALLERY: Amy Adams’s High-Low Bump Style

— Sarah Michaud with reporting by Julie Jordan

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