Laura Dern, Ben Harper Welcome Baby Girl

Actress Laura Dern and her longtime partner, musician, Ben Harper, are the proud parents of a baby girl, the star’s rep tells PEOPLE.

Dern, 37, gave birth to the 6 lb. 2 oz. girl on Sunday in Los Angeles, her rep Cara Tripicchio says. The child’s name is not being released.

According to Tripicchio, the whole family is doing “great.”

“Both mom and baby are wonderful and healthy,” she says.

Dern, who most recently appeared in the drama We Don’t Live Here Anymore and Harper, 35, are not married. They also have a 3-year-old son, Ellery Walker.