Los Angeles, California - Ashley Tisdale has become a mom! On Tuesday, the 35-year-old actor gave birth to her first child: a baby girl with a very unique name.

Tisdale shared the happy baby news with her Instagram followers, posting a black-and-white photo holding her newborn's tiny hand.

"Jupiter Iris French has arrived earth side 3.23.21," she captioned the post.

Her husband Christopher French reposted the adorable photo on his own account.

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The High School Musical alum and the 39-year-old musician announced they were expecting their first child together last September, when Tisdale shared images of her growing baby bump.

The celebrity couple tied the knot in 2014.