She was 12.
Miley Cyrus started the role of Hannah Montana at the age of 12.
Miley began singing from a very early age but she started professionally when she started Hannah Montana.
Miley Cyrus started Hannah Montana when she was about 12 years old
No, Hannah Montana is played as Miley Cyrus(female) in a Disney Channel Series Hannah Montana.
She was chosen as Hannah Montana
No! Noha Cyrus is just noha Cyrus Hannah Montana is just Hannah Montana
No. She started her concert as hannah montana in 2006 or 2007. :D
Miley started to audition for the role of Hannah Montana when she was eleven years old.
Miley Cyrus started acting in Hannah Montana when she was 12 years old.
Miley Cyrus is Hannah Montana!
You can't be Hannah Montana. There is already a Hannah Montana: Miley Cyrus.
before she started her career on Hannah Montana