Kate Mara gave birth to her second child with Jamie Bell

It was mid-July last year when Kata Mara revealed that she and Jamie Bell were expecting another baby,

and now the 'My Days of Mercy' star has announced that she is a mother again.

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The 39-year-old actress and her husband welcomed their second child together and took to Instagram,

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the Fantastic Four star shared the happy news on Thursday, November 17.

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In fact, the couple who married in 2017 have already revealed

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the first photo of the baby who is the younger sister of their three-year-old daughter.

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In addition to these two children, Bell is the father of Jack, a 9-year-old son who is the result of his previous relationship with Evan Rachel Wood.

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"A week ago I had a baby," wrote Kate Mara on her social profile. “Here are his feet,” she added, along with a heart emoji.

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Stars including Lily Collins and Josh Horowitz were quick to congratulate the proud mom, leaving love tokens in the comments.

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