Kelly Clarkson tweets first photo of baby girl River Rose

A week after the birth of her daughter, River Rose Blackstock, "American Idol" alum Kelly Clarkson has tweeted the baby's photo debut.

"Here is our beautiful baby girl River Rose; 6lbs 6oz, 18 inches, and the greatest thing on the planet," Clarkson writes with the photo of baby River, asleep in a carriage. The singer and her husband, Brandon Blackstock, welcomed the little girl on June 12.

River is the first child for the couple, though Blackstock has two children from a previous marriage.
Photo/Video credit: Twitter