Ivan Nikolov / INB / WENN 1 / 6
Ivan Nikolov / INB / WENN 1 / 6

Mariska Hargitay and her husband, Peter Hermann, are the proud parents of a baby girl.

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"The couple are overjoyed by the wonder of their new daughter," Hargitay's rep, Leslie Sloane, tells Usmagazine.com. "Her brother, August, is thrilled to have the sister he's always wanted."

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The 47-year-old "Law and Order SUV" star has named her new daughter Amaya Josephine.

Amaya Josephine was adopted from the United States. A source tells Usmagazine.com, "It was a long time coming. A dream finally realized after a bunch of heartache along the way!”

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The couple was married in August 2004.