Characters:   Demi: 19 years old. The main character. Joe: Age 18. Demi’s best friend. Also has a little crush on her. Selena: Age 17. Demi’s sweet best friend. David: Age 19. Demi’s brother-like best friend. Miley: Age 18. Demi’s rebel-like friend who’s not afraid to speak her mind.   Romantic Interests   Drew: Age 19. Wesley: Age 18. Keaton: Age 16.