Kelly Clarkson officially announced she was expecting at a concert in Los Angeles during the summer. Since then, people have been wondering about the sex of baby #2.Today Parents reports that Clarkson has now made the gender of the new baby official. Congratulations to Kelly and her husband of two years, Brandon Blackstock, on the announcement that the happy couple will be expecting a baby boy. Clarkson's 1-year-old daughter River Rose will now have a new little baby brother.

Here's Kelly making the surprise pregnancy announcement at her concert in Los Angeles.