Miley Cyrus: Her life in pictures

She was born Destiny Hope Cyrus. Destiny Hope had a permanent smile on her face, so her dad started calling her Smiley Miley. Well, when Smiley Miley got older, that name got a little embarrassing, so it was shortened to just Miley.

On TV, Miley plays a character named Miley Stewart. Miley Stewart is an average teenage girl, but she has a secret: She's also a pop star! As a pop star, Miley Stewart's stage name is Hannah Montana. Got it?