Ned Brower, Sarah Jane Morris

Sarah Jane Morris has given birth to a baby girl, the Brothers & Sisters alum announced on Twitter Tuesday.

"Happy to share the good news that I am officially done being [pregnant] & am now mother to [a] little girl, Beau Katherine, who was born on 2/1! In LOVE," Morris wrote.

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This is the second child for the actress and her husband, Rooney drummer Ned Bower, who are already parents to Emmett Andrew, 4. The couple married in 2005.

Morris most recently guest-starred on Criminal Minds.