American Idol Kelly Clarkson, Brandon Blackstock celebrate third anniversary 10/24/2016 Kelly Clarkson and Brandon Blackstock celebrated their third wedding anniversary on Thursday. Read More RELATED NEWS 'American Idol' Season 1 finalist Nikki McKibbin dies at age 42 Kelly Clarkson says her weight reflects her happiness -- "It's when I'm fat that I'm happy"Kelly Clarkson: "I wanted to kill myself" when I was "really skinny" TAGS: American Idol Kelly Clarkson Ryan Seacrest Jenny McCarthy Entertainment Tonight