April 02, 2012 08:00 AM

Vince Flores/Celebrity

Bruce Willis and Emma Heming-Willis welcomed a daughter, Mabel Ray Willis, on Sunday, April 1 in Los Angeles, his rep confirms to PEOPLE.

The Die Hard actor, 57, and his designer-model wife, 35, “are overjoyed about the newest member of their family. Both mother and baby are healthy and doing beautifully.”

Weighing 9 lbs., 1 oz., Mabel is the first child together for the couple, who have been married for three years.

Willis has three other daughters — Rumer, 23, Scout, 20, and Tallulah, 18 — with ex-wife Demi Moore.

— Elizabeth Leonard

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