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By Jessica Wedemeyer

River Rose has arrived! Kelly Clarkson took to Instagram to debut an adorable photo of her daughter on Friday, June 20.

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"Here is our beautiful baby girl River Rose; 6lbs 6oz, 18 inches, and the greatest thing on the planet," the "Stronger" singer captioned this sweet shot of her baby girl napping in a red antique carriage.

The "American Idol" alum welcomed her first child, whose father is music manager Brandon Blackstock, on June 12, 2014.

Brandon has two children, Savannah and Seth, from a previous relationship. He and the singer tied the knot after a whirlwind romance on October 19, 2013.