Andrea Roth

Rescue Me star Andrea Roth has given birth to a baby girl, TVGuide.com has confirmed.

Daughter Ava Reese arrived Monday, weighing 6 pounds, 14 ounces. She is the first child for Roth, 42, and her fiancé, producer Todd Biermann.

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"Andrea has never been happier," her rep told People. "She waited until she met the perfect man to start her family and it couldn't have turned out better as she and her fiancé are the proud parents of a gorgeous baby girl."

Roth plays Janet Gavin on the FX drama, which will return for Season 6 — its penultimate season — later this year.