United Kingdom, Feb. 12 -- Britney Spears is "forever making changes" on her biopic.

The 43-year-old pop superstar is to have her life documented on the big screen in the form of a film helmed by 'Wicked' director Jon M. Chu but an insider has claimed that even though there are "a lot of ideas" going around, she is forever making changes on the project at this early stage in its production.

A source told The Sun: "Britney's biopic is in the early stages of development and there have been a lot of ideas bandied around.

"As soon as it feels like they're moving in one direction though, Britney will take it in another.

"Her manager is an executive producer on the film and is doing his best to put those ideas across, but it feels like it's...