It has been shown that Miley 's friends and most members of the Stewart family know that Miley is Hannah Montana . As Hannah , she must keep her fans unaware that she is really a normal kid , and as Miley , she must keep her friends unaware that she is really Hannah Montana . In interviews , Miley Cyrus spoke of the implausibility of being able to keep a secret such as Miley and her family do in the show in a world of intense media scrutiny .