The "Wonder Woman" actress took to Instagram to share the arrival of her little angel, whom she named Maya.
"And then we were four... She is here, Maya. I feel so complete blessed and thankful for all the Wonders in my life #family #newborn #grateful," Gal captioned a black-and-white photo of her 5-year-old daughter Alma on her way to meet her little sister with two balloons.
The 31-year-old star first announced she was expecting last November.
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