Kelly Clarkson and Brandon Blackstock Engagement Photo 08/21/2013 mj santilli American Idol, Kelly Clarkson 15 I almost missed this! Yesterday, Kelly Clarkson posted another beautiful photo from her engagement shoot to twitter. See the first one HERE.This time, her fiance, Brandon Blackstock, poses with her. The couple are set to tie the knot in October. Or, “Tie it Up” as it were.