Natalie and Taylor Hanson Natalie and Taylor Hanson

Taylor Hanson and his wife Natalie are expecting Baby No. 5.

"Natalie and I are so anxious to meet our fifth mini-Hanson," Taylor told People, "as are the four siblings at home who are counting the days to the arrival."

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The couple is already parents to Ezra, 9, Penelope, 6, River, 5, and Viggo, 3.

Hanson, 29, is currently on tour with his brothers Zac and Isaac promoting their album Shout It Out.