This behind-the-scenes documentary follows Britney Spears during her "Dream Within A Dream" concert tour in Mexico City. She is about to turn 21 years old, and reflects about her fame and future while preparing to retire for a year.
| Actor | Role |
|---|---|
 Britney SpearsSelf | Self |
| AAngela Randle ElganiSelf - Dancer | Self - Dancer |
 Felicia CulottaSelf | Self |