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Congratulations to Katherine Schwarzenegger and Chris Pratt, as the couple has just welcomed their first child together!

And according to multiple sources… it’s a girl!

This is Katherine Schwarzenegger’s first child, while 41-year-old actor Chris Pratt is also father to 7-year-old son Jack Pratt, who he shares with ex-wife Anna Faris.

According to reports, the 30-year-old author gave birth at St. John’s Hospital in Santa Monica, California. Her brother Patrick Schwarzenegger’s car was reportedly spotted there on Friday afternoon, although it’s unclear when the baby arrived.

The new mom is said to be “extremely happy” but also “tired” and “overwhelmed”. So, pretty much like any new mother then…

“They knew they were having a girl and were thrilled about it. Kat had a good pregnancy and she is hoping for a quick recovery. So far, so good,” an insider told People.

“She is going through all the first-time mom emotions. She is extremely happy, but a bit tired and overwhelmed. Chris keeps being amazing though.

“It’s comforting for Kat that he is already a dad and understands how it is to have a newborn.”

The couple has kept their pregnancy journey on the private side, although an insider did previously share some details a few months ago revealing just how excited they were for their new arrival…

“Chris and Katherine are extremely happy to be pregnant with their first child,” the source told Entertainment Tonight at the time.

“The couple knew going into their relationship that having kids together was important to them, so when they found out the news, they were extremely happy.

“Although Katherine was busy promoting her book in the beginning of her pregnancy, she now has time to be at home and get things ready for when the new addition arrives. Chris is so excited.”

Congratulations again to the new parents!