Hollywood actress Robin Tunney welcomes second child, it's a baby girl

American actress Robin Tunney has put to birth.

The Mentalist star is a mom for the second time after recently welcoming a baby girl,  Colette Kathleen to her family.

Tunney shared the news on Instagram on Thursday, about two weeks after she had given birth.

We are thrilled to introduce you to Colette Kathleen. Oscar is now a big brother," Tunney wrote alongside a precious video of her son holding his baby sister. "I gave birth January 8th and our hearts have gotten bigger whilst our rest has shrunken considerably. This firecracker came out with a thick head of strawberry blonde hair, ready to take over the world. #newborn #babygirl."

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We are thrilled to introduce you to Colette Kathleen. Oscar is now a big brother. I gave birth January 8th and our hearts have gotten bigger whilst our rest has shrunken considerably. This firecracker came out with a thick head of strawberry blonde hair, ready to take over the world. #newborn #babygirl

A post shared by Robin Tunney (@robintunney) on Jan 23, 2020 at 10:14am PST

Tunney and her longtime partner, Nicky Marmet, welcomed their first child, Oscar in July 2016. Like this time around, Tunney kept her pregnancy under wraps.