Simplify the following text for a Grade 7 native English-speaking person.
Original: Cyrus recorded music for the soundtracks , Hannah Montana ( 2006 ) and Hannah Montana 2\/Meet Miley Cyrus ( 2007 ) , released by Walt Disney Records .
Simplified: When Cyrus was eleven years old , she started auditioning for a television series named Hannah Montana . Hannah Montana is a show about a girl named Miley Stewart who is also a singer .