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'90210's' Ian Ziering welcomes second daughter with wife Erin

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Ian Ziering and Erin Ludwig.

It’s another girl for Ian Ziering! The former “90210” star and his wife, Erin, welcomed their second daughter on Thursday, according to People.

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The baby girl, named Penna Mae Ziering, arrived at 9:21 AM and weighed in at 6 lbs., 9 oz., according to the mag.

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Penna now shares the same birthday (April 25) as her big sister, 2-year-old Mia -- which Ian said was a surprise.

“We didn’t plan it!” he told the mag. “Mia was born a week late and Penna was a week early.”

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The 49-year-old actor said Mia was thrilled over Penna’s arrival.

“She couldn’t wait to meet her,” he said. “When she saw Penna she said, ‘Baby sister!’”

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Ian and Erin began dating in 2009 and announced their engagement in February 2010.

They tied the knot on May 28, 2010 in Newport Beach, Calif.

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