At this rate, Taylor Hanson's offspring themselves could form their own Hanson 2.0 musical act -- the pop star's wife is expecting their fifth child!

The now 29-year-old (that makes you feel old doesn't it?) and his wife Natalie, 28, confirmed to People that baby #5 is on its way late this year.

“Natalie and I are so anxious to meet our fifth mini-Hanson,” Taylor told the magazine. “As are the four siblings at home who are counting the days to the arrival.”

The couple has been married since 2002, and the new little one will join older siblings Ezra, 9½, Penelope, who will be 7 this week, River, 5½, and Viggo, 3. Taylor's Hanson bandmates/brothers Isaac and Zac also have four other children with their respective spouses.

Congrats to the couple and click "Launch Gallery"below for more shots of expecting stars!

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