Linda Cardellini Gives Birth to Daughter

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It's a girl for Linda Cardellini and boyfriend Steve Rodriguez!

The couple welcomed a daughter, Lilah-Rose, to their family last Wednesday, February 29, confirming the happy news to PEOPLE.

Cardellini announced the pregnancy last October, telling the magazine she was "thrilled" to be expecting her very first child.

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Linda is best known for her role as a high school student in the 90's cult hit Freaks and Geeks and her extended run as nurse Samantha Taggart on the popular medical drama ER from 2003-2009.