Christina Aguilera and Nicole Richie aren’t the only ones in Hollywood giving birth.

Entourage’s Constance Zimmer, 37, and her boyfriend, commercial director Russ Lamoureux have welcomed a daughter, her rep tells Usmagazine.com.

Colette Zoe Lamoureux was born January 5 at Huntington Memorial Hospital in Pasadena, California.

She weighed in 8 pounds, 10 ounces.

Zimmer, who plays a rising studio exec on the HBO hit, and Lamoureux have been together 18 months.

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