Madonna thinks she knows what led to the downfall of Britney Spears.

The incident happened when Simpson was answering a question while appearing on The Nokia Green Room a London music show.

Britney Spears is set to go head-to-head with Whitney Houston when they both release albums later this year.

Britney Spears is set to go head-to-head with Whitney Houston when they both release albums later this year.

Britney Spears is set to go head-to-head with Whitney Houston when they both release albums later this year.

Britney Spears is set to go head-to-head with Whitney Houston when they both release albums later this year.

Madonna claims that Britney Spears was “never allowed to have a childhood”.

Madonna claims that Britney Spears was “never allowed to have a childhood”.

Madonna claims that Britney Spears was “never allowed to have a childhood”.

Madonna claims that Britney Spears was “never allowed to have a childhood”.