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'Lost' star Harold Perrineau and wife Brittany welcome third daughter

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Brittany and Harold Perrineau.

Behind every good man is a great woman -- or, in Harold Perrineau's case, a great woman and three great girls. The "Lost" star and his wife, Brittany, welcomed their third child, a daughter, on Thursday, March 21, the actor's rep confirmed to Us Weekly.

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Holiday Grace Perrineau was born at 2:54 a.m. She weighed in at 7 pounds, 5 ounces, and measured 21 inches long at the time of her birth, the rep tells Us.

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This is the third child -- and the third girl -- for Perrineau, 49, and Brittany, 37. The couple are already parents to daughters Aurora, 18, and Wynter Aria, 4.

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Perrineau rose to fame playing Augustus Hill on the HBO drama "Oz" and, later, as Michael Dawson on "Lost." More recently, he appeared in the Oscar-nominated film "Zero Dark Thirty" and on season five of the FX series "Sons of Anarchy." His wife is a former model who had a small role as a love interest for Sawyer (Josh Holloway) on "Lost."

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