Kelly Clarkson during Obama's Second Inauguration Kelly Clarkson tweeted Tuesday afternoon that she is expecting her first child with husband Brandon Blackstock. She and Blackstock married last month. Blackstock already has two children from a previous marriage. In a recent appearance on The Tonight Show, the pop star told Jay Leno, "I never wanted kids before, but now I want, like, five." Clarkson has a Christmas album coming out this year. MORE: Watch: Kelly Clarkson: "I'm Not a Feminist"