ABC News December 13, 2014

Hayden Panettiere Gives Birth to a Daughter

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Actress Hayden Panettiere attends the 66th Annual Primetime Emmy Awards held at Nokia Theatre L.A. Live on Aug. 25, 2014 in Los Angeles, Calif.

It’s a girl for Hayden Panettiere.

The "Nashville" star, 25, and her fiance, Wladimir Klitschko, welcomed their first child together on Tuesday, a rep told ABC News. They named her Kaya Klitschko.

“We are over the moon and madly in love," the couple told People magazine.

2014 Emmy Awards: Hayden Panettiere Reveals the Gender of Her Baby Hayden Panettiere Is Engaged!

The pair shared the news of their engagement since last October and announced the pregnancy in May.

Panettiere revealed the gender of her baby during an interview on the red carpet at the 2014 Emmy Awards.

Pregnancy wasn't always easy for the 5-foot-2 star, she told Hello magazine.

"I started out at 106 pounds and guess how much I weight now? Around 145 pounds!" she told the magazine. "The worst part is that my feet are still size five and they're going, 'What's going on with all this weight?' They're about to snap from underneath me with the strain!"