Matt Damon and his wife Luciana welcomed a baby girl Stella Zavala Damon on Wednesday - but the news only came out this weekend, RadarOnline.com can report.

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Damon's rep told People Magazine: "Mom and baby are both healthy. The whole family is thrilled."

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Damon, 40, and Luciana, 35, married five years ago and have two children together – Isabella, 4, and Gia, 2. Luciana has another
daughter, Alexa, from a previous marriage.

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Damon currently stars in the new movie Hereafter, a drama centered on three people- a blue-collar American, a French journalist and a London school boy- who are touched by death in different ways. The movie was released in theaters Friday.

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