Zac Hanson & Wife Expecting Second Child

Congrats are in order for pop star Zac Hanson!

The 24-year-old MMMBop singer and his wife Kate are expecting their second child, he revealed on Thursday, Us reports.

"I have a new new baby. It's coming," Zac said. "Nobody even knows."

Zac and Kate, who wed in 2006, welcomed their first son, John Ira Shepherd Hanson - who goes by Shepherd - in May, 2008.