The 31-year-old singer, who tied the knot with music manager Brandon Blackstock in an intimate ceremony recently, is believed to have bought the new house in Tennessee, last year, reported Radar online.
"When Kelly is here, she is home. She is friendly to everyone," a source said.
Clarkson's new home boasts seven bedrooms and nine bedrooms, a home cinema, gym, elevator, and sits on four-acres of land.