Nanny Who Allegedly Broke Up Gwen Stefani and Gavin Rossdale’s Marriage Gives Birth

Gwen Stefani and Gavin Rossdale's former nanny Mindy Mann has given birth to a baby girl.

Mann's sister, Nicole Mann, debuted the news with a sweet Instagram photo of the baby's hands.

"September 8th 2016… the day I felt a love I've never felt before, watching life come into the world," the new aunt wrote.

https://www.instagram.com/p/BKJMrmlg-sC/

Mann was allegedly the reason why Gwen, 46, and her husband of almost 10 years, Gavin, split up. When news of their marriage falling apart spread, it was revealed that Mann and Gavin reportedly had a three-year-long affair during the time she nannied for the family, taking care of Gwen and Gavin's children, Kingston, 10, Zuma, 8, and Apollo, 2.

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Pre-birth, Mann's sister also shared a picture to Instagram of the former nanny in labor, ready to welcome her new baby girl.

https://www.instagram.com/p/BKEGM94g7Kf/

At the time of Gavin and Mann's alleged affair, Mann was also dating her boyfriend Spencer Gutcheon, who was tagged in the photos and presumably the baby's biological father.

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Gwen and Gavin announced the end of their marriage in 2015, in a joint statement that said, "While the two of us have come to the mutual decision that we will no longer be partners in marriage, we remain partners in parenthood and are committed to jointly raising our three sons in a happy and healthy environment."

The "Used to Love You" singer has since moved on with boyfriend and fellow The Voice coach Blake Shelton.