Destiny Hope Cyrus is the daughter of Billy Ray Cyrus. She recently applied to legally change her name to Miley Ray Cyrus. She has always gone by the name Miley since her dad called her Smiley due to her constantly smiling as a baby, this was shortened to Miley and the name stuck. Miley managed to acquire the star role in the new Disney Channel original series, Hannah Montana. She stars as Miley Stewart, a teenage girl that leads a double life as a regular girl and rockstar, Hannah Montana.