HANSON star TAYLOR HANSON's brood is about to get bigger - his wife is pregnant with their fourth child.

The singer, 25, and his wife Natalie, 26 - who married in 2002 - will welcome the next addition to their family this winter (08-09).

Hanson tells People.com, "Each of our kids has made life richer and more exciting. We can't wait for this guy to join the party."

Hanson, the middle brother of the MMMBop trio, is dad to sons Ezra, five, and River, one, as well as daughter Penelope, three.