 Cyrus moved to Los Angeles to star on the Disney Channel television series Hannah Montana in 2006 . Cyrus 's character , Robby Ray Stewart , is a former country singer and the father of Miley Stewart , a <unk> played by Miley Cyrus , Cyrus ' real life daughter . The television series became a worldwide hit and the basis for Hannah Montana : The Movie , a feature film released in 2009 . 
