American Idol winner Kelly Clarkson and husband Brandon Blackstock welcomed their first child, River Rose, on Thursday (June 12).

The 32-year-old Since U Been Gone singer announced the news on Twitter, writing: "Our baby girl River Rose Blackstock arrived on June 12th! Thank you everyone for all of your well wishes! Brandon and I are on cloud 9!"

The couple, who wed in October 2013 after a one-year engagement, revealed they were expecting in November 2013.