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This is the first child for Collette, 35, and her husband of four years, musician Dave Galafassi.
"All are well and very happy!" says Collette's rep.
Collette was just as joyous when she announced she was pregnant in July. "We're completely over the moon," she told the Associated Press at the time.
"It is strange, the last three films I've done I have been pregnant," Colette added. "I'm just like, what is the universe trying to tell me? But I think everything happens when it's meant to."
