Miley Cyrus is a pop singer and actress best known for her role as Miley Stewart / Hannah Montana on the Disney Channel series Hannah Montana. The daughter of country singer Billy Ray Cyrus, Miley began her own career as a guest star on her father's television show, Doc.
At the age of eleven, Cyrus auditioned for the "best friend" role on the Hannah Montana show. Her lively and energetic performances in her auditions ended up landing her the title role, a young girl named Miley Stewart, whose alter-ego is the pop music sensation Hannah Montana. When performing in concert or on albums, Cyrus performs both in the character of Hannah Montana and as herself.