She may have moved to Southern California almost two years ago, but Kelly Clarkson is still trying to sell her Hendersonville mansion.
Purchased by Clarkson and then-boyfriend Brandon Blackstock in 2012 for $2.86 million, the property has since been totally renovated and upgraded. It includes a movie theater, a sand volleyball court, a pool with hot tub and a dock on the nearby Cumberland River.
All that work is probably why the price tag has ballooned to $8.75 million.
The property has seven…