Miley Stewart looks like a regular girl-next-door, but she's got a big secret. When the lights go down, Miley is the famous teen pop sensation Hannah Montana! Miley may be a celebrity when she's on stage, but she wants the rest of her life to be as normal as possible. The only people who know the truth about Miley's dual identity are her father, brother, and best friends Lilly and Oliver. But keeping that secret--and balancing school with her newfound fame and fortune--is harder than Miley ever thought it would be. Hannah Montana #7: When Miley's scheming, look-alike cousin Luann pays a visit, she's surprisingly well behaved. Miley thinks they finally might have gotten over the rough patch from their childhood, and even invites Luann to the coolest Halloween party in town. But.